Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Chunyu Hu <chuhu.ncepu@xxxxxxxxx>
Subject: Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
From: Michal Hocko <mhocko@xxxxxxxxxx>
Date: Tue, 24 Apr 2018 07:20:57 -0600
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Chunyu Hu <chuhu@xxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Linux-MM <linux-mm@xxxxxxxxx>
In-reply-to: <CABATaM6eWtssvuj3UW9LHLK3HWo8P9g0z9VzFnuqKPKO5KMJ3A@mail.gmail.com>
References: <1524243513-29118-1-git-send-email-chuhu@redhat.com> <20180420175023.3c4okuayrcul2bom@armageddon.cambridge.arm.com> <20180422125141.GF17484@dhcp22.suse.cz> <CACT4Y+YWUgyzCBadg+Oe8wDkFCaBzmcKDgu3rKjQxim7NXNLpg@mail.gmail.com> <CABATaM6eWtssvuj3UW9LHLK3HWo8P9g0z9VzFnuqKPKO5KMJ3A@mail.gmail.com>
User-agent: Mutt/1.9.4 (2018-02-28)

On Mon 23-04-18 12:17:32, Chunyu Hu wrote:
[...]
> So if there is a new flag, it would be the 25th bits.

No new flags please. Can you simply store a simple bool into fail_page_alloc
and have save/restore api for that?

-- 
Michal Hocko
SUSE Labs

Follow-Ups:
- Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Chunyu Hu
- Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Catalin Marinas

References:
- [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Chunyu Hu
- Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Catalin Marinas
- Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Michal Hocko
- Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Dmitry Vyukov
- Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
  - From: Chunyu Hu

Prev by Date: Re: [RFC v2 PATCH] mm: shmem: make stat.st_blksize return huge page size if THP is on
Next by Date: Re: per-NUMA memory limits in mem cgroup?
Previous by thread: Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
Next by thread: Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]