Re: [PATCH 02/18] mm: make vm_mmap killable

[Vlastimil Babka]

On 02/29/2016 02:26 PM, Michal Hocko wrote:
> From: Michal Hocko <mhocko@xxxxxxxx>
>
> All the callers of vm_mmap seem to check for the failure already
> and bail out in one way or another on the error which means that

Hmm I'm not that sure about this one:
  17   1071  fs/binfmt_elf.c <<load_elf_binary>>

Assigns result of vm_mmap() to "error" variable which is never checked. 
Shouldn't __must_check trigger here?