linux-kernel - Re: [PATCH] kselftests: cgroup: update kmem test precision tolerance

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Date:   Fri, 2 Dec 2022 16:54:29 +0000
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Michal Hocko <mhocko@...e.com>
Cc:     kernel test robot <yujie.liu@...el.com>, oe-lkp@...ts.linux.dev,
        lkp@...el.com, Andrew Morton <akpm@...ux-foundation.org>,
        kernel test robot <oliver.sang@...el.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Feng Tang <feng.tang@...el.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Muchun Song <songmuchun@...edance.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        "Michal Koutný" <mkoutny@...e.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kselftests: cgroup: update kmem test precision tolerance

On Fri, Dec 02, 2022 at 09:50:26AM +0100, Michal Hocko wrote:
> OK, so this is a full patch to fix this
> --- 
> From 7f338ed952ba4a100822004bc8399bf720b42899 Mon Sep 17 00:00:00 2001
> From: Michal Hocko <mhocko@...e.com>
> Date: Fri, 2 Dec 2022 09:45:29 +0100
> Subject: [PATCH] kselftests: cgroup: update kmem test precision tolerance
> 
> 1813e51eece0 ("memcg: increase MEMCG_CHARGE_BATCH to 64") has changed
> the batch size while this test case has been left behind. This has led
> to a test failure reported by test bot:
> not ok 2 selftests: cgroup: test_kmem # exit=1
> 
> Update the tolerance for the pcp charges to reflect the
> MEMCG_CHARGE_BATCH change to fix this.
> 
> Reported-by: kernel test robot <yujie.liu@...el.com>
> Link: https://lore.kernel.org/oe-lkp/202212010958.c1053bd3-yujie.liu@intel.com
> Signed-off-by: Michal Hocko <mhocko@...e.com>

Acked-by: Shakeel Butt <shakeelb@...gle.com>