Re: [PATCH 2/2 -mm] mm: brk: dwongrade mmap_sem to read when shrinking

[Michal Hocko]

On Wed 26-09-18 08:46:56, Yang Shi wrote:
> brk might be used to shinrk memory mapping too. Use __do_munmap() to
> shrink mapping with downgrading mmap_sem to read.

same comment wrt the changelog as for the previous patch.
-- 
Michal Hocko
SUSE Labs