On 01.03.22 17:30, Felix Kuehling wrote:
> Am 2022-03-01 um 11:22 schrieb David Hildenbrand:
> if (PageReserved(page))
> diff --git a/mm/migrate.c b/mm/migrate.c
> index c31d04b46a5e..17d049311b78 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -1614,
Am 2022-03-01 um 11:22 schrieb David Hildenbrand:
if (PageReserved(page))
diff --git a/mm/migrate.c b/mm/migrate.c
index c31d04b46a5e..17d049311b78 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1614,7 +1614,7 @@ static int add_page_for_migration(struct mm_struct *mm,
unsigned
>>
>>> if (PageReserved(page))
>>> diff --git a/mm/migrate.c b/mm/migrate.c
>>> index c31d04b46a5e..17d049311b78 100644
>>> --- a/mm/migrate.c
>>> +++ b/mm/migrate.c
>>> @@ -1614,7 +1614,7 @@ static int add_page_for_migration(struct mm_struct
>>> *mm, unsigned long addr,
>>>
Am 2022-03-01 um 03:03 schrieb David Hildenbrand:
On 28.02.22 21:34, Alex Sierra wrote:
DEVICE_COHERENT pages introduce a subtle distinction in the way
"normal" pages can be used by various callers throughout the kernel.
They behave like normal pages for purposes of mapping in CPU page
tables,
On 28.02.22 21:34, Alex Sierra wrote:
> DEVICE_COHERENT pages introduce a subtle distinction in the way
> "normal" pages can be used by various callers throughout the kernel.
> They behave like normal pages for purposes of mapping in CPU page
> tables, and for COW. But they do not support LRU lists
On 2022-02-28 15:34, Alex Sierra wrote:
DEVICE_COHERENT pages introduce a subtle distinction in the way
"normal" pages can be used by various callers throughout the kernel.
They behave like normal pages for purposes of mapping in CPU page
tables, and for COW. But they do not support LRU lists,
DEVICE_COHERENT pages introduce a subtle distinction in the way
"normal" pages can be used by various callers throughout the kernel.
They behave like normal pages for purposes of mapping in CPU page
tables, and for COW. But they do not support LRU lists, NUMA
migration or THP. Therefore we split vm
