linux-kernel - Re: [PATCH 1/2] mm: slub: call account_slab

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Message-ID: <CALvZod5pd=Y_DC8mTs6Uc2+McPe7iEQs5hHtGbOFCA9EAVDe9w@mail.gmail.com>
Date:   Tue, 17 Nov 2020 09:16:48 -0800
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Roman Gushchin <guro@...com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM <linux-mm@...ck.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH 1/2] mm: slub: call account_slab_page() after slab page initialization

On Tue, Nov 10, 2020 at 11:58 AM Roman Gushchin <guro@...com> wrote:
>
> It's convenient to have page->objects initialized before calling
> into account_slab_page(). In particular, this information can be
> used to pre-alloc the obj_cgroup vector.
>
> Let's call account_slab_page() a bit later, after the initialization
> of page->objects.
>
> This commit doesn't bring any functional change, but is required for
> further optimizations.
>
> Signed-off-by: Roman Gushchin <guro@...com>

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