Re: [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT

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To: Shakeel Butt <shakeelb@xxxxxxxxxx>
Subject: Re: [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Date: Thu, 14 Oct 2021 11:23:36 -0400
Cc: Michal Hocko <mhocko@xxxxxxxx>, Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, Vasily Averin <vvs@xxxxxxxxxxxxx>, Roman Gushchin <guro@xxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Cgroups <cgroups@xxxxxxxxxxxxxxx>, Linux MM <linux-mm@xxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <CALvZod4Br9iwq-qfdwj6dzgW2g1vEr2YL4=w_mQjOeWWDQzFjw@mail.gmail.com>
References: <20211013194338.1804247-1-shakeelb@google.com> <YWfZNF7T7Fm69sik@dhcp22.suse.cz> <CALvZod4Br9iwq-qfdwj6dzgW2g1vEr2YL4=w_mQjOeWWDQzFjw@mail.gmail.com>

On Thu, Oct 14, 2021 at 08:01:16AM -0700, Shakeel Butt wrote:
> Regarding xfs_buf_alloc_pages(), it is not using __GFP_ACCOUNT

It probably should, actually. Sorry, somewhat off-topic, but we've
seen this consume quite large amounts of memory. __GFP_ACCOUNT and
vmstat tracking seems overdue for this one.

Follow-Ups:
- Re: [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT
  - From: Vasily Averin

References:
- [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT
  - From: Shakeel Butt
- Re: [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT
  - From: Michal Hocko
- Re: [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT
  - From: Shakeel Butt

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