Re: [PATCH v4 08/36] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation

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

To: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Subject: Re: [PATCH v4 08/36] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation
From: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
Date: Wed, 21 Feb 2024 19:08:30 -0500
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, kent.overstreet@xxxxxxxxx, mhocko@xxxxxxxx, vbabka@xxxxxxx, hannes@xxxxxxxxxxx, roman.gushchin@xxxxxxxxx, mgorman@xxxxxxx, dave@xxxxxxxxxxxx, willy@xxxxxxxxxxxxx, liam.howlett@xxxxxxxxxx, penguin-kernel@xxxxxxxxxxxxxxxxxxx, corbet@xxxxxxx, void@xxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, juri.lelli@xxxxxxxxxx, catalin.marinas@xxxxxxx, will@xxxxxxxxxx, arnd@xxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, peterx@xxxxxxxxxx, david@xxxxxxxxxx, axboe@xxxxxxxxx, mcgrof@xxxxxxxxxx, masahiroy@xxxxxxxxxx, nathan@xxxxxxxxxx, dennis@xxxxxxxxxx, tj@xxxxxxxxxx, muchun.song@xxxxxxxxx, rppt@xxxxxxxxxx, paulmck@xxxxxxxxxx, yosryahmed@xxxxxxxxxx, yuzhao@xxxxxxxxxx, dhowells@xxxxxxxxxx, hughd@xxxxxxxxxx, andreyknvl@xxxxxxxxx, keescook@xxxxxxxxxxxx, ndesaulniers@xxxxxxxxxx, vvvvvv@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, ebiggers@xxxxxxxxxx, ytcoode@xxxxxxxxx, vincent.guittot@xxxxxxxxxx, dietmar.eggemann@xxxxxxx, rostedt@xxxxxxxxxxx, bsegall@xxxxxxxxxx, bristot@xxxxxxxxxx, vschneid@xxxxxxxxxx, cl@xxxxxxxxx, penberg@xxxxxxxxxx, iamjoonsoo.kim@xxxxxxx, 42.hyeyoo@xxxxxxxxx, glider@xxxxxxxxxx, elver@xxxxxxxxxx, dvyukov@xxxxxxxxxx, shakeelb@xxxxxxxxxx, songmuchun@xxxxxxxxxxxxx, jbaron@xxxxxxxxxx, rientjes@xxxxxxxxxx, minchan@xxxxxxxxxx, kaleshsingh@xxxxxxxxxx, kernel-team@xxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-modules@xxxxxxxxxxxxxxx, kasan-dev@xxxxxxxxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx
In-reply-to: <20240221194052.927623-9-surenb@google.com>
References: <20240221194052.927623-1-surenb@google.com> <20240221194052.927623-9-surenb@google.com>

On Wed, Feb 21, 2024 at 2:41 PM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
>
> Introduce __GFP_NO_OBJ_EXT flag in order to prevent recursive allocations
> when allocating slabobj_ext on a slab.
>
> Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

Reviewed-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>

References:
- [PATCH v4 00/36] Memory allocation profiling
  - From: Suren Baghdasaryan
- [PATCH v4 08/36] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation
  - From: Suren Baghdasaryan

Prev by Date: Re: [PATCH v4 14/36] lib: add allocation tagging support for memory allocation profiling
Next by Date: Re: [PATCH v4 09/36] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation
Previous by thread: [PATCH v4 08/36] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation
Next by thread: Re: [PATCH v4 08/36] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation
Index(es):
- Date
- Thread

[Index of Archives] [Linux Kernel] [Kernel Newbies] [x86 Platform Driver] [Netdev] [Linux Wireless] [Netfilter] [Bugtraq] [Linux Filesystems] [Yosemite Discussion] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Samba] [Device Mapper]