Re: [PATCH] Fix the issue that lowmemkiller fell into a cycle that try to kill a task

On 09/23/14 12:18, Greg KH wrote: > On Tue, Sep 23, 2014 at 10:57:09AM +0800, Hui Zhu wrote: >> The cause of this issue is when free memroy size is low and a lot of task is >> trying to shrink the memory, the task that is killed by lowmemkiller cannot >> get >> CPU to exit itself. >> >> Fix this

Re: [PATCH] Fix the issue that lowmemkiller fell into a cycle that try to kill a task

On 09/23/14 16:00, Weijie Yang wrote: > On Tue, Sep 23, 2014 at 12:48 PM, 朱辉 wrote: >> >> >> On 09/23/14 12:18, Greg KH wrote: >>> On Tue, Sep 23, 2014 at 10:57:09AM +0800, Hui Zhu wrote: >>>> The cause of this issue is when free memroy size is low and a

Re: [PATCH 1/4] (CMA_AGGRESSIVE) Add CMA_AGGRESSIVE to Kconfig

On 10/22/14 09:27, Pavel Machek wrote: > Hi! > >> Add CMA_AGGRESSIVE config that depend on CMA to Linux kernel config. >> Add CMA_AGGRESSIVE_PHY_MAX, CMA_AGGRESSIVE_FREE_MIN and CMA_AGGRESSIVE_SHRINK >> that depend on CMA_AGGRESSIVE. >> >> If physical memory size (not include CMA memory) in byte

Re: [PATCH 0/4] (CMA_AGGRESSIVE) Make CMA memory be more aggressive about allocation

On 10/22/14 20:02, Peter Hurley wrote: > On 10/16/2014 04:55 AM, Laura Abbott wrote: >> On 10/15/2014 8:35 PM, Hui Zhu wrote: >>> In fallbacks of page_alloc.c, MIGRATE_CMA is the fallback of >>> MIGRATE_MOVABLE. >>> MIGRATE_MOVABLE will use MIGRATE_CMA when it doesn't have a page in >>> order tha

Re: [PATCH] Fix the issue that lowmemkiller fell into a cycle that try to kill a task

2014 09 24 23:36, Rik van Riel: > On 09/22/2014 10:57 PM, Hui Zhu wrote: >> The cause of this issue is when free memroy size is low and a lot of task is >> trying to shrink the memory, the task that is killed by lowmemkiller cannot >> get >> CPU to exit itself. >> >> Fix this issue with change the

Re: [PATCH 2/4] (CMA_AGGRESSIVE) Add argument hibernation to function shrink_all_memory

On 10/16/14 16:29, Rafael J. Wysocki wrote: > [CC list trimmed] > > On Thursday, October 16, 2014 11:35:49 AM Hui Zhu wrote: >> Function shrink_all_memory try to free `nr_to_reclaim' of memory. >> CMA_AGGRESSIVE_SHRINK function will call this functon to free >> `nr_to_reclaim' of >> memory. It

Re: [PATCH 0/4] (CMA_AGGRESSIVE) Make CMA memory be more aggressive about allocation

On 10/16/14 16:56, Laura Abbott wrote: > On 10/15/2014 8:35 PM, Hui Zhu wrote: >> In fallbacks of page_alloc.c, MIGRATE_CMA is the fallback of >> MIGRATE_MOVABLE. >> MIGRATE_MOVABLE will use MIGRATE_CMA when it doesn't have a page in >> order that Linux kernel want. >> >> If a system that has a l