Re: [PATCH 06/18] mm: make vm_brk killable

From: Vlastimil Babka
Date: Fri Mar 11 2016 - 05:44:38 EST


On 02/29/2016 02:26 PM, Michal Hocko wrote:
From: Michal Hocko <mhocko@xxxxxxxx>

Now that all the callers handle vm_brk failure we can change it
wait for mmap_sem killable to help oom_reaper to not get blocked
just because vm_brk gets blocked behind mmap_sem readers.

Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>