Re: [PATCH] mm/huge_memory.c: reduce critical section protected by split_queue_lock

["Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>]

On Fri, Jan 10, 2020 at 10:55:16AM +0800, Wei Yang wrote:
> split_queue_lock protects data in struct deferred_split. We can release
> the lock after delete the page from deferred_split_queue.
> 
> This patch moves the THP accounting out of the lock protection, which is
> introduced in commit 65c453778aea ("mm, rmap: account shmem thp pages").
> 
> Signed-off-by: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov