From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Tomlin Subject: Re: [PATCH v2] mm/memcg: Remove obsolete memcg_free_kmem() Date: Wed, 6 Oct 2021 20:08:10 +0100 Message-ID: <20211006190810.ume55n4lugekcm63@ava.usersys.com> References: <20211005202450.11775-1-longman@redhat.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633547294; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=D1dm0Jsv2mUc+jhdc8qHClKIoNz3UWNx693+PgEldu0=; b=HRgjqzsSDo8mRKvkmzMwu8G4wQSFJXZ18uXKMGA7AlTyZdNWDcQSlA8zGoqkmbrMvadU3h w3mmcMZ19dWdDzfRvcT3qrLCPCTfd3xrLpux1f0WEThm8jA17jaR2mWsmGsV/fuHT97CIN pK1pgzjpO94Y09eXn4R7h8aDBln6XJA= Content-Disposition: inline In-Reply-To: <20211005202450.11775-1-longman@redhat.com> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Waiman Long Cc: Johannes Weiner , Michal Hocko , Vladimir Davydov , Andrew Morton , Vlastimil Babka , Roman Gushchin , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Shakeel Butt , Muchun Song On Tue 2021-10-05 16:24 -0400, Waiman Long wrote: > Since commit d648bcc7fe65 ("mm: kmem: make memcg_kmem_enabled() > irreversible"), the only thing memcg_free_kmem() does is to call > memcg_offline_kmem() when the memcg is still online which can happen when > online_css() fails due to -ENOMEM. However, the name memcg_free_kmem() > is confusing and it is more clear and straight forward to call > memcg_offline_kmem() directly from mem_cgroup_css_free(). > > Suggested-by: Roman Gushchin > Signed-off-by: Waiman Long Reviewed-by: Aaron Tomlin -- Aaron Tomlin