linux-kernel - Re: [PATCH] memcg: replace memcg ID idr with xarray

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <C0B6D310-2EE0-4DCC-B41A-E682C1E018AA@linux.dev>
Date: Sat, 10 Aug 2024 10:38:50 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 Johannes Weiner <hannes@...xchg.org>,
 Michal Hocko <mhocko@...nel.org>,
 Roman Gushchin <roman.gushchin@...ux.dev>,
 Linux Memory Management List <linux-mm@...ck.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Meta kernel team <kernel-team@...a.com>,
 cgroups@...r.kernel.org,
 Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] memcg: replace memcg ID idr with xarray



> On Aug 10, 2024, at 01:26, Shakeel Butt <shakeel.butt@...ux.dev> wrote:
> 
> At the moment memcg IDs are managed through IDR which requires external
> synchronization mechanisms and makes the allocation code a bit awkward.
> Let's switch to xarray and make the code simpler.
> 
> Suggested-by: Matthew Wilcox <willy@...radead.org>
> Signed-off-by: Shakeel Butt <shakeel.butt@...ux.dev>

Reviewed-by: Muchun Song <muchun.song@...ux.dev>

Thanks.