Reviewed-by: Alex Shi
On 2021/4/14 下午9:21, Wu XiangCheng wrote:
> From: Bernard Zhao
>
> Add new zh translations
> * zh_CN/dev-tools/gcov.rst
> * zh_CN/dev-tools/index.rst
> and link them to zh_CN/index.rst
>
> Signed-off-by: Bernard Zhao
> Reviewed-by: Wu Xian
On 2021/4/14 下午7:24, Wu XiangCheng wrote:
> From: Bernard Zhao
>
> Add new zh translations
> * zh_CN/dev-tools/gcov.rst
> * zh_CN/dev-tools/index.rst
> and link them to zh_CN/index.rst
>
> Signed-off-by: Bernard Zhao
> Reviewed-by: Wu Xiangcheng
> Signed-off-by: Wu XiangCheng
> ---
> base:
On 2021/3/31 下午4:33, Wu X.C. wrote:
> Cc Alex Shi's new email
>
> On Tue, Mar 30, 2021 at 04:13:04PM +0200, Thorsten Leemhuis wrote:
>> Removing Documentation/admin-guide/reporting-bugs.rst will break links
>> in some of the translations. I was unsure if simply changing them to
>> Documentatio
Add my kernel.org address for old email address.
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: Jonathan Corbet
Cc: Kees Cook
Cc: Leon Romanovsky
Cc: Thomas Bogendoerfer
Cc: Alexander Lobakin
Cc: linux-kernel@vger.kernel.org
---
.mailmap | 5 +++--
1 file changed, 3 insertions(+), 2
I am leaving Alibaba, udpate the old email address to new one.
Signed-off-by: Alex Shi
Cc: Harry Wei
Cc: Alex Shi
Cc: Jonathan Corbet
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
Documentation/translations/zh_CN/disclaimer-zh_CN.rst | 2 +-
MAINTAINERS
在 2021/3/13 下午3:57, Yu Zhao 写道:
> +Recipes
> +---
> +:Android on ARMv8.1+: ``X=4``, ``N=0``
> +
> +:Android on pre-ARMv8.1 CPUs: Not recommended due to the lack of
> + ``ARM64_HW_AFDBM``
> +
> +:Laptops running Chrome on x86_64: ``X=7``, ``N=2``
> +
> +:Working set estimation: Write ``+ memc
Reviewed-by: Alex Shi
在 2021/3/4 下午5:45, hjh 写道:
> Signed-off-by: hjh
> ---
> Documentation/translations/zh_CN/index.rst| 1 +
> .../zh_CN/sound/hd-audio/controls.rst | 102 ++
> .../zh_CN/sound/hd-audio/index.rst| 14 +++
> .../
在 2021/3/2 下午5:13, huangjianghui 写道:
>> we usually include patch into email instead of attach it as attachment.
>> You can try use 'git send-email' to post your patches.
>>
>> Thanks
>> Alex
>>
>>
> I am sorry to do those, my patch is shown below:
Hi Jianghui,
I cann't apply your patch:
$ g a
在 2021/3/2 上午11:22, huangjianghui 写道:
>>
> In the next patch ,I deleted the index of the untranstated files,and i
> used checkpatch.pl to detect doc errors and tried to built the htmldocs
> on my pc.
>
> Thanks,
>
> Huang Jianghui
Hi Jianghui,
we usually include patch into email instead of a
n is outdated
> +or if there is a problem with the translation.
with the disclaimer file, this info could be removed.
> +
> +Chinese maintainer: Huang Jianghui
We call us translator，译者。
Others looks fine for me.
Reviewed-by: Alex Shi
Thanks
Alex
在 2021/2/24 下午4:37, Yu Zhao 写道:
>>> @@ -65,18 +63,12 @@ static __always_inline void
>>> __clear_page_lru_flags(struct page *page)
>>> */
>>> static __always_inline enum lru_list page_lru(struct page *page)
>>> {
>>> - enum lru_list lru;
>>> + unsigned long flags = READ_ONCE(page->flags)
在 2021/2/24 下午1:29, Yu Zhao 写道:
> On Tue, Feb 23, 2021 at 02:50:11PM -0800, Andrew Morton wrote:
>> On Tue, 26 Jan 2021 15:14:38 -0700 Yu Zhao wrote:
>>
>>> On Tue, Jan 26, 2021 at 10:01:11PM +, Matthew Wilcox wrote:
On Fri, Jan 22, 2021 at 03:05:53PM -0700, Yu Zhao wrote:
> +++ b/
Reviewed-by: Alex Shi
在 2021/2/21 下午11:25, Masahiro Yamada 写道:
> You should use KCFLAGS to pass additional compiler flags from the
> command line. Using EXTRA_CFLAGS is wrong.
>
> EXTRA_CFLAGS is supposed to specify flags applied only to the current
> Makefile (and now depreca
在 2021/2/19 下午10:48, hjh 写道:
> +Documentation/sound/hd-audio/controls.rst 的中文翻译
> +
> +如果想评论或更新本文的内容，请直接联系原文档的维护者。如果你使用英文
> +交流有困难的话，也可以向中文版维护者求助。如果本翻译更新不及时或者翻
> +译存在问题，请联系中文版维护者。
> +
> +中文版维护者： 黄江慧 Huang Jianghui
> +中文版翻译者： 黄江慧 Huang Jianghui
> +
> +
better to reuse disclaimer-zh_CN.rst he
The following commit has been merged into the locking/core branch of tip:
Commit-ID: bf594bf400016a1ac58c753bcc0393a39c36f669
Gitweb:
https://git.kernel.org/tip/bf594bf400016a1ac58c753bcc0393a39c36f669
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 16:58:11 +08:00
Committer
The following commit has been merged into the locking/core branch of tip:
Commit-ID: 59ea5f1508e15cecddd8e2ca828f7962ea37adab
Gitweb:
https://git.kernel.org/tip/59ea5f1508e15cecddd8e2ca828f7962ea37adab
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 16:58:11 +08:00
Committer
Reviewed-by: Alex Shi
在 2021/1/25 下午12:24, Waiman Long 写道:
> The commit 3fea5a499d57 ("mm: memcontrol: convert page
> cache to a new mem_cgroup_charge() API") introduced a bug in
> __add_to_page_cache_locked() causing the following splat:
>
> [ 1570.068330] page dumpe
在 2021/1/8 上午9:36, Like Xu 写道:
> Because saving/restoring tens of LBR MSRs (e.g. 32 LBR stack entries) in
> VMX transition brings too excessive overhead to frequent vmx transition
> itself, the guest LBR event would help save/restore the LBR stack msrs
> during the context switching with the hel
Reviewed-by: Alex Shi
在 2021/1/13 下午3:00, Lukas Bulwahn 写道:
> Commit 419b1d4ed1cb ("doc/zh_CN: add mips ingenic-tcu.rst translation")
> introduces a warning with make htmldocs:
>
> ./Documentation/translations/zh_CN/mips/ingenic-tcu.rst:
> 61: WARNING: Malfor
在 2021/1/6 下午12:28, Hugh Dickins 写道:
> On Sat, 12 Dec 2020, Alex Shi wrote:
>>
>> I'm very sorry, a typo here. the patch should be updated:
>>
>> From ed4fa1c6d5bed5766c5f0c35af0c597855d7be06 Mon Sep 17 00:00:00 2001
>> From: Alex Shi
>> Date: Fri, 1
在 2021/1/5 下午5:19, siyant...@loongson.cn 写道:
> From: Yanteng Si
>
> This is the Chinese version of booting and index file
>
> Signed-off-by: Yanteng Si
> ---
> .../translations/zh_CN/mips/booting.rst | 47 +++
> .../translations/zh_CN/mips/index.rst | 45 ++
Reviewed-by: Alex Shi
在 2021/1/4 下午1:03, Hugh Dickins 写道:
> Boot a CONFIG_MEMCG=y kernel with "cgroup_disabled=memory" and you are
> met by a series of warnings from the VM_WARN_ON_ONCE_PAGE(!memcg, page)
> recently added to the inline mem_cgroup_page_lruvec().
>
> An
ness wait.
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Hugh Dickins
Cc: Yu Zhao
Cc: Michal Hocko
Cc: Matthew Wilcox (Oracle)
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/swap.c | 92 +++
1 fi
united.
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Hugh Dickins
Cc: Yu Zhao
Cc: Michal Hocko
Cc: Matthew Wilcox (Oracle)
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/swap.c | 31 ---
1 file changed, 12 insertions
If a system has memcg disabled and no numa node, like a embedded system,
there is no needs to do the pagevec sort, since only just one lruvec in
system. In this situation, we could skip the pagevec sorting.
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Hugh Dickins
Cc: Yu Zhao
Cc
on my box.
So I don't know if it's workable in some scenario, just sent out if
someone has interesting...
Alex Shi (4):
mm/swap.c: pre-sort pages in pagevec for pagevec_lru_move_fn
mm/swap.c: bail out early for no memcg and no numa
mm/swap.c: extend the usage to pagevec_lru_add
mm/
在 2020/12/21 下午8:34, Ran Wang 写道:
> Hi Alex,
>
>
> On Monday, December 21, 2020 3:52 PM, Alex Shi wrote:
>
>> 在 2020/12/19 上午11:42, Ran Wang 写道:
>>> Hi Jonathan,
>>>
>>> On Tuesday, December 8, 2020 11:00 PM Jonathan Corbet wrote:
>&g
CC linux-doc
?? 2020/12/23 11:03, ?? :
> ??
> ?0?2 ?0?2 ?0?2
> Linuxkernel??Documentation/translations/zh_CN
???
Cc: Hui Su and Alexander Duyck as Hugh suggested.
在 2020/12/22 下午1:20, Alex Shi 写道:
> lock_page_lruvec() and its variants used rcu_read_lock() with the
> intention of safeguarding against the mem_cgroup being destroyed
> concurrently; but so long as they are called under the
在 2020/12/22 上午11:01, Hugh Dickins 写道:
> On Thu, 17 Dec 2020, Alex Shi wrote:
>
>> The series function could be used under lock_page_memcg(), add this and
>> a bit style changes following commit_charge().
>>
>> Signed-off-by: Alex Shi
>> Cc: Hugh Dickin
lock_page_lruvec() and its variants are safe to use under the same
conditions as commit_charge(): add lock_page_memcg() to the comment.
Polished with Hugh Dickins' suggestions, thanks!
Signed-off-by: Alex Shi
Acked-by: Hugh Dickins
Cc: Hugh Dickins
Cc: Johannes Weiner
Cc: Michal Hock
shing, Thanks!
Signed-off-by: Alex Shi
Acked-by: Hugh Dickins
Cc: Hugh Dickins
Cc: Johannes Weiner
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/compaction.c | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/mm/compaction.c b/mm/compact
e the unnecessary rcu_read_lock() and _unlock().
Hugh Dickin's polished the commit log, Thanks a lot!
Signed-off-by: Alex Shi
Acked-by: Hugh Dickins
Cc: Hugh Dickins
Cc: Johannes Weiner
Cc: Michal Hocko
Cc: Vladimir Davydov
Cc: Andrew Morton
Cc: cgro...@vger.kernel.org
Cc: linux...@kvack.org
在 2020/12/19 上午11:42, Ran Wang 写道:
> Hi Jonathan,
>
> On Tuesday, December 8, 2020 11:00 PM Jonathan Corbet wrote:
>
>> On Tue, 8 Dec 2020 21:16:04 +0800
>> Ran Wang wrote:
>>
>>> Signed-off-by: Ran Wang
>>> ---
>>> Change in v2:
>>> - For 'cn_development_coding' part, change back t
The rcu_read_lock was used to block memcg destory, but with the detailed
calling conditions, the memcg won't gone since the page is hold. So we
don't need it now, let's remove them to save locking load in debugging.
Signed-off-by: Alex Shi
Cc: Hugh Dickins
Cc: Johannes Weiner
C
rcu_read_lock was used to guard memcg destory, now TestClearPageLRU
could block this happen, so we don't need it. Remove it to reduce
locking load in debugging mode.
Signed-off-by: Alex Shi
Cc: Hugh Dickins
Cc: Johannes Weiner
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-k
The series function could be used under lock_page_memcg(), add this and
a bit style changes following commit_charge().
Signed-off-by: Alex Shi
Cc: Hugh Dickins
Cc: Johannes Weiner
Cc: Michal Hocko
Cc: Vladimir Davydov
Cc: Andrew Morton
Cc: cgro...@vger.kernel.org
Cc: linux...@kvack.org
Cc
I'm very sorry, a typo here. the patch should be updated:
>From ed4fa1c6d5bed5766c5f0c35af0c597855d7be06 Mon Sep 17 00:00:00 2001
From: Alex Shi
Date: Fri, 11 Dec 2020 21:26:46 +0800
Subject: [PATCH] mm/mmap: replace if (cond) BUG() with BUG_ON()
coccinelle reports some warnings:
WARN
coccinelle reports some warning:
WARNING: Use BUG_ON instead of if condition followed by BUG.
It could be fixed by BUG_ON().
Reported-by: ab...@linux.alibaba.com
Signed-off-by: Alex Shi
Cc: Minchan Kim
Cc: Nitin Gupta
Cc: Sergey Senozhatsky
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux
coccinelle reports some warnings:
WARNING: Use BUG_ON instead of if condition followed by BUG.
It could be fixed by BUG_ON().
Reported-by: ab...@linux.alibaba.com
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/mmap.c | 22
Hi Yu,
btw, after this patchset, to do cacheline alignment on each of lru lists
are possible, so did you try that to see performance changes?
Thanks
Alex
在 2020/12/8 上午6:09, Yu Zhao 写道:
> The cleanups are intended to reduce the verbosity in lru list
> operations and make them less error-prone. A
Reviewed-by: Alex Shi
在 2020/12/8 下午9:16, Ran Wang 写道:
> Signed-off-by: Ran Wang
> ---
> Change in v2:
> - For 'cn_development_coding' part, change back to '是关于编码过程的'
>
> .../translations/zh_CN/process/1.Intro.rst| 61 ++-
&
Reviewed-by: Alex Shi
在 2020/12/8 上午6:09, Yu Zhao 写道:
> update_lru_sizes() defines an unsigned long argument and passes it as
> nr_pages to update_lru_size(). Though this isn't causing any overflows
> I'm aware of, it's a bad idea to go through the demotion given that we
Reviewed-by: Alex Shi
在 2020/12/8 上午6:09, Yu Zhao 写道:
> All other references to the function were removed after
> commit b910718a948a ("mm: vmscan: detect file thrashing at the reclaim root")
>
> Signed-off-by: Yu Zhao
> ---
> include/linux/mmzone.h | 2 --
&
Reviewed-by: Alex Shi
在 2020/12/8 上午6:09, Yu Zhao 写道:
> All other references to the function were removed after
> commit a892cb6b977f ("mm/vmscan.c: use update_lru_size() in
> update_lru_sizes()")
>
> Signed-off-by: Yu Zhao
> ---
> include/linux/mm_inline.h | 9
Reviewed-by: Alex Shi
在 2020/12/8 上午6:09, Yu Zhao 写道:
> We've removed all other references to this function.
>
> Signed-off-by: Yu Zhao
> ---
> include/linux/mm_inline.h | 27 ++-
> 1 file changed, 6 insertions(+), 21 deletions(-)
>
&g
Reviewed-by: Alex Shi
在 2020/12/8 上午6:09, Yu Zhao 写道:
> The parameter is redundant in the sense that it can be extracted
> from the "struct page" parameter by page_lru() correctly.
>
> Signed-off-by: Yu Zhao
> ---
> include/trace/events/pagemap.h |
在 2020/12/8 上午6:09, Yu Zhao 写道:
> The "enum lru_list" parameter to add_page_to_lru_list() and
> add_page_to_lru_list_tail() is redundant in the sense that it can
> be extracted from the "struct page" parameter by page_lru().
>
> A caveat is that we need to make sure PageActive() or
> PageUnevic
在 2020/12/8 上午6:09, Yu Zhao 写道:
>
> __count_vm_events(PGACTIVATE, nr_pages);
> @@ -543,14 +542,14 @@ static void lru_deactivate_file_fn(struct page *page,
> struct lruvec *lruvec)
>* It can make readahead confusing. But race window
>* is _really_
Reviewed-by: Alex Shi
在 2020/12/8 上午6:09, Yu Zhao 写道:
> There is add_page_to_lru_list(), and move_pages_to_lru() should reuse
> it, not duplicate it.
>
> Signed-off-by: Yu Zhao
> ---
> mm/vmscan.c | 6 +-
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> di
在 2020/12/7 下午9:05, Ran Wang 写道:
>>> +:ref:`cn_development_followthrough` 介绍了提交补丁之后发生的事情；至此工作实际
>> is it bybond 80 chars?
> On my part this line is aligned with context (on vim), and pass checkpatch.pl
> check,
En, right, maybe a line alignment? but it depends on different editors. it's
fine.
在 2020/12/5 下午6:36, Ran Wang 写道:
> Signed-off-by: Ran Wang
> ---
> .../translations/zh_CN/process/1.Intro.rst| 61 ++-
> 1 file changed, 32 insertions(+), 29 deletions(-)
>
> diff --git a/Documentation/translations/zh_CN/process/1.Intro.rst
> b/Documentation/translations/
在 2020/12/1 下午4:10, Michal Hocko 写道:
> On Tue 01-12-20 16:02:13, Alex Shi wrote:
>> Pages in pagevec may have different lruvec, so we have to do relock in
>> function pagevec_lru_move_fn(), but a relock may cause current cpu wait
>> for long time on the same lock for spi
united.
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Hugh Dickins
Cc: Yu Zhao
Cc: Michal Hocko
Cc: Matthew Wilcox (Oracle)
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/swap.c | 30 +++---
1 file changed, 11 insertions(+), 19
If a system has memcg disabled and no numa node, like a embedded system,
there is no needs to do the pagevec sort, since only just one lruvec in
system. In this situation, we could skip the pagevec sorting.
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Hugh Dickins
Cc: Yu Zhao
Cc
ness wait.
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Hugh Dickins
Cc: Yu Zhao
Cc: Michal Hocko
Cc: Matthew Wilcox (Oracle)
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/swap.c | 92 +++
1 fi
在 2020/11/30 下午6:04, David Howells 写道:
> Alex Shi wrote:
>
>> /**
>> * mark_hash_blacklisted - Add a hash to the system blacklist
>> - * @hash - The hash as a hex string with a type prefix (eg.
>> "tbs:23aa429783")
>> + * @hash: - The hash as
在 2020/11/28 下午12:02, Andrew Morton 写道:
> On Fri, 27 Nov 2020 11:08:35 +0800 Alex Shi
> wrote:
>
>> Sometime, we use NULL memcg in mem_cgroup_lruvec(memcg, pgdat)
>> so we could get out early in the situation to avoid useless checking.
>>
>> Also warning if
The following commit has been merged into the x86/cleanups branch of tip:
Commit-ID: 638920a66a17c8e1f4415cbab0d49dc4a344c2a7
Gitweb:
https://git.kernel.org/tip/638920a66a17c8e1f4415cbab0d49dc4a344c2a7
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 16:58:14 +08:00
Committer
在 2020/11/26 下午11:55, Matthew Wilcox 写道:
> On Thu, Nov 26, 2020 at 04:44:04PM +0100, Vlastimil Babka wrote:
>> However, Matthew wanted to increase pagevec size [1] and once 15^2 becomes
>> 63^2, it starts to be somewhat more worrying.
>>
>> [1]
>> https://lore.kernel.org/linux-mm/20201105172651
Sometime, we use NULL memcg in mem_cgroup_lruvec(memcg, pgdat)
so we could get out early in the situation to avoid useless checking.
Also warning if both parameter are NULL.
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: Johannes Weiner
Cc: Shakeel Butt
Cc: Roman Gushchin
Cc: Lorenzo Stoakes
在 2020/11/26 下午11:23, Vlastimil Babka 写道:
>>>
>>> I tried that, and .text became significantly larger, for reasons which
>>> I didn't investigate ;)
>
> I found out that comparing whole .text doesn't often work as changes might be
> lost in alignment, or
> once in a while cross the alignment b
在 2020/11/26 下午3:24, Yu Zhao 写道:
> Oh, no, I'm not against your idea. I was saying it doesn't seem
> necessary to sort -- a nested loop would just do the job given
> pagevec is small.
>
> diff --git a/mm/swap.c b/mm/swap.c
> index cb3794e13b48..1d238edc2907 100644
> --- a/mm/swap.c
> +++ b/mm/s
在 2020/11/26 下午12:52, Yu Zhao 写道:
>> */
>> void __pagevec_lru_add(struct pagevec *pvec)
>> {
>> -int i;
>> -struct lruvec *lruvec = NULL;
>> +int i, nr_lruvec;
>> unsigned long flags = 0;
>> +struct page *page;
>> +struct lruvecs lruvecs;
>>
>> -for (i = 0; i <
在 2020/11/25 下午11:38, Vlastimil Babka 写道:
> On 11/20/20 9:27 AM, Alex Shi wrote:
>> The current relock logical will change lru_lock when found a new
>> lruvec, so if 2 memcgs are reading file or alloc page at same time,
>> they could hold the lru_lock alternately, and wa
在 2020/11/26 上午7:43, Andrew Morton 写道:
> On Tue, 24 Nov 2020 12:21:28 +0100 Vlastimil Babka wrote:
>
>> On 11/22/20 3:00 PM, Alex Shi wrote:
>>> Thanks a lot for all comments, I picked all up and here is the v3:
>>>
>>> From 167131dd106a96fd08af725df8
Acked-by: Alex Shi
在 2020/11/25 下午7:22, Lorenzo Stoakes 写道:
> Move memcg check to mem_cgroup_page_lruvec() as there are callers which
> may invoke this with !memcg in mem_cgroup_lruvec(), whereas they should
> not in mem_cgroup_page_lruvec().
>
> We expect that we have always ch
VM_WARN_ON_ONCE_PAGE(!page_memcg(page), page);
> return mem_cgroup_lruvec(page_memcg(page), pgdat);
> }
>
Acked.
Right. Would you like to remove the bad commit 4b2904f3 ("mm/memcg: add missed
warning in mem_cgroup_lruvec") and replace yours.
and further more, could you
在 2020/11/24 下午8:00, Alex Shi 写道:
>>> syzbot found the following issue on:
>>>
>>> HEAD commit:03430750 Add linux-next specific files for 20201116
>>> git tree: linux-next
>>> console output: https://syzkaller.appspot.com/x/log.t
在 2020/11/24 下午8:00, Alex Shi 写道:
>>>
>>> syzbot found the following issue on:
>>>
>>> HEAD commit:03430750 Add linux-next specific files for 20201116
>>> git tree: linux-next
>>> console output: https://syzkaller.appspot.co
在 2020/11/24 上午11:54, Andrew Morton 写道:
> On Fri, 20 Nov 2020 17:55:22 -0800 syzbot
> wrote:
>
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit:03430750 Add linux-next specific files for 20201116
>> git tree: linux-next
>> console output: https://syzkaller.apps
CC: Hugh Dickin & Johannes,
在 2020/11/24 上午11:54, Andrew Morton 写道:
> On Fri, 20 Nov 2020 17:55:22 -0800 syzbot
> wrote:
>
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit:03430750 Add linux-next specific files for 20201116
>> git tree: linux-next
>> console o
The variable isn't used, so don't brother to set it.
Signed-off-by: Alex Shi
Cc: Jens Axboe
Cc: linux-bl...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/block/loop.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/block/loop.c b/drivers/block/lo
The variable parent_level isn't used, so don't bother to get it.
Signed-off-by: Alex Shi
Cc: Chris Mason
Cc: Josef Bacik
Cc: David Sterba
Cc: linux-bt...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
fs/btrfs/ctree.c | 3 ---
1 file changed, 3 deletions(-)
diff --git
commit dfa50b605c2a ("sched: Make finish_task_switch() return 'struct rq
*'") moved the 'rq' parameter into finish_task_switch, so we don't need
it now in schedule_tail.
Signed-off-by: Alex Shi
Cc: Ingo Molnar
Cc: Peter Zijlstra
Cc: Juri Lelli
Cc: Vin
Thanks Bailu!
Reviewed-by: Alex Shi
在 2020/11/24 上午10:38, Bailu Lin 写道:
> This is a Chinese translated version of
> Documentation/arm64/elf_hwcaps.rst
>
> Signed-off-by: Bailu Lin
> ---
> Changes in v2:
> - Modify five translation issues as Alex sugguested.
> --
在 2020/11/21 下午6:23, Bailu Lin 写道:
> This is a Chinese translated version of
> Documentation/arm64/elf_hwcaps.rst
>
> Signed-off-by: Bailu Lin
> ---
> Documentation/arm64/elf_hwcaps.rst| 2 +
> .../translations/zh_CN/arm64/elf_hwcaps.rst | 240 ++
> .../transl
在 2020/11/21 上午7:19, Andrew Morton 写道:
> On Fri, 20 Nov 2020 16:27:27 +0800 Alex Shi
> wrote:
>
>> The current relock logical will change lru_lock when found a new
>> lruvec, so if 2 memcgs are reading file or alloc page at same time,
>> they could hold the lru_loc
在 2020/11/22 下午8:35, Matthew Wilcox 写道:
> On Sun, Nov 22, 2020 at 08:00:19PM +0800, Alex Shi wrote:
>> mm/compaction.c | 2 +-
>> mm/vmscan.c | 69 +++--
>> 2 files changed, 34 insertions(+), 37 deletions(-)
>
>
在 2020/11/21 上午7:13, Andrew Morton 写道:
> On Fri, 20 Nov 2020 16:03:33 +0800 Alex Shi
> wrote:
>
>> The function just return 2 results, so use a 'switch' to deal with its
>> result is unnecessary, and simplify it to a bool func as Vlastimil
>> suggested.
在 2020/11/20 下午5:30, Alex Shi 写道:
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 925b09ace986..7809020ef7bd 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -618,6 +618,7 @@ static inline struct lruvec *mem_cgrou
Swapcache readahead pages are charged before get used, so it unlikely be
migrated before charged. remove the incorrect comments.
Signed-off-by: Alex Shi
Cc: Johannes Weiner
Cc: Michal Hocko
Cc: Vladimir Davydov
Cc: Andrew Morton
Cc: cgro...@vger.kernel.org
Cc: linux...@kvack.org
Cc
_ONCE_PAGE(!memcg, page);
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: Johannes Weiner
Cc: Shakeel Butt
Cc: Roman Gushchin
Cc: Michal Hocko
Cc: Yafang Shao
Cc: Alexander Duyck
Cc: Hui Su
Cc: Wei Yang
Cc: linux-kernel@vger.kernel.org
---
include/linux/memcontrol.h | 1 +
1 file
them once in
above scenario. That could reduce fairness waiting for lock reget.
Than, vm-scalability/case-lru-file-readtwice could get ~5% performance
gain on my 2P*20core*HT machine.
Suggested-by: Konstantin Khlebnikov
Signed-off-by: Alex Shi
Cc: Konstantin Khlebnikov
Cc: Andrew Morton
Cc
The function just return 2 results, so use a 'switch' to deal with its
result is unnecessary, and simplify it to a bool func as Vlastimil
suggested.
Also removed 'goto' in using by reusing list_move().
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: Hugh Dickins
Cc: Yu Zhao
在 2020/11/19 上午4:46, Jonathan Corbet 写道:
> On Mon, 16 Nov 2020 17:51:22 +0800
> Alex Shi wrote:
>
>> Commit 5647bc293ab1 ("mm: compaction: Move migration fail/success
>> stats to migrate.c"), removed 3 items in /proc/vmstat. but the docs
>> still has
在 2020/11/17 下午3:15, Alex Shi 写道:
> /**
> * collapse_file - collapse filemap/tmpfs/shmem pages into huge one.
> *
> + * @mm: process address space where collapse happens
> + * @file: file that collapse on
> + * @start: collapse start address
Hi Andrew,
A trailing w
27;
mm/truncate.c:646: warning: Function parameter or member 'end' not
described in 'invalidate_mapping_pagevec'
mm/truncate.c:646: warning: Function parameter or member 'nr_pagevec'
not described in 'invalidate_mapping_pagevec'
Signed-off-by: Alex Shi
Cc
x27;end' not described in 'clean_record_pte'
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
---
mm/mapping_dirty_helpers.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/mm/mapping_dirty_helpers.c b/mm/mapping_dirty_he
Kernel-doc markup has a issue on pvm_determine_end_from_reverse:
mm/vmalloc.c:3145: warning: Function parameter or member 'align' not
described in 'pvm_determine_end_from_reverse'
Add a explanation for it to remove the warning.
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: l
scribed in 'collapse_file'
mm/khugepaged.c:1626: warning: Function parameter or member 'hpage' not
described in 'collapse_file'
mm/khugepaged.c:1626: warning: Function parameter or member 'node' not
described in 'collapse_file'
Signed-off-by: Alex Shi
C
The function check_pte needs a correct colon for kernel-doc markup,
otherwise, gcc has the following warning for W=1,
mm/page_vma_mapped.c:86: warning: Function parameter or member 'pvmw'
not described in 'check_pte'
Signed-off-by: Alex Shi
Cc: Andrew Morton
Cc: linux...
Commit 5647bc293ab1 ("mm: compaction: Move migration fail/success
stats to migrate.c"), removed 3 items in /proc/vmstat. but the docs
still has their explanation. let's remove them.
"compact_blocks_moved",
"compact_pages_moved",
"compact_pagemigrate_failed&
Reviewed-by: Alex Shi
在 2020/11/16 下午2:47, Wang Qing 写道:
> Add temfs to the index tree while adding tempfs translation.
>
> Signed-off-by: Wang Qing
> ---
> Documentation/translations/zh_CN/filesystems/index.rst | 1 +
> 1 file changed, 1 insertion(+)
>
> di
Hi Andrew,
With all patches are acked-by Hugh and Johannes, and full testing from LKP,
is this patchset ready for more testing on linux-next? or anything still need
be improved?
Thanks
Alex
在 2020/11/5 下午4:55, Alex Shi 写道:
> This version rebase on next/master 20201104, with much of Johanne
在 2020/11/16 上午6:48, Thomas Gleixner 写道:
> On Fri, Nov 13 2020 at 15:24, Alex Shi wrote:
>
>> The kernel-doc interface error cause some warning:
>
> I fixes the lot up and applied it. Please look at the changes I did and
> be more careful next time.
>
Hi Thomas,
The following commit has been merged into the timers/core branch of tip:
Commit-ID: f27f7c3f100e74a7f451a63a15788f50c52f7cce
Gitweb:
https://git.kernel.org/tip/f27f7c3f100e74a7f451a63a15788f50c52f7cce
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 15:24:32 +08:00
Committer
The following commit has been merged into the timers/core branch of tip:
Commit-ID: e025b03113d27139ce2b28b82599018e4d8fa5f6
Gitweb:
https://git.kernel.org/tip/e025b03113d27139ce2b28b82599018e4d8fa5f6
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 15:24:31 +08:00
Committer
The following commit has been merged into the timers/core branch of tip:
Commit-ID: a0f5a65fa5faeef708d022698d5fcba290a35856
Gitweb:
https://git.kernel.org/tip/a0f5a65fa5faeef708d022698d5fcba290a35856
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 15:24:30 +08:00
Committer
The following commit has been merged into the timers/core branch of tip:
Commit-ID: 199d280c884de44c3b0daeb77438db43f6db01a2
Gitweb:
https://git.kernel.org/tip/199d280c884de44c3b0daeb77438db43f6db01a2
Author:Alex Shi
AuthorDate:Fri, 13 Nov 2020 15:24:33 +08:00
Committer
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