linux-kernel - Re: [PATCH v7 1/8] mm: Define obj_cgroup_get() if CONFIG

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Message-ID: <CAKEwX=Ou7k2ySbycrXrst4bK7Dj+2F1PMMCP3Y5QUmFu7BjHFA@mail.gmail.com>
Date: Tue, 24 Sep 2024 09:45:40 -0700
From: Nhat Pham <nphamcs@...il.com>
To: Kanchana P Sridhar <kanchana.p.sridhar@...el.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org, hannes@...xchg.org, 
	yosryahmed@...gle.com, chengming.zhou@...ux.dev, usamaarif642@...il.com, 
	shakeel.butt@...ux.dev, ryan.roberts@....com, ying.huang@...el.com, 
	21cnbao@...il.com, akpm@...ux-foundation.org, nanhai.zou@...el.com, 
	wajdi.k.feghali@...el.com, vinodh.gopal@...el.com
Subject: Re: [PATCH v7 1/8] mm: Define obj_cgroup_get() if CONFIG_MEMCG is not defined.

On Mon, Sep 23, 2024 at 6:17 PM Kanchana P Sridhar
<kanchana.p.sridhar@...el.com> wrote:
>
> This resolves an issue with obj_cgroup_get() not being defined if
> CONFIG_MEMCG is not defined.
>
> Before this patch, we would see build errors if obj_cgroup_get() is
> called from code that is agnostic of CONFIG_MEMCG.
>
> The zswap_store() changes for mTHP in subsequent commits will require
> the use of obj_cgroup_get() in zswap code that falls into this category.
>
> Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@...el.com>
> ---

LGTM.

Reviewed-by: Nhat Pham <nphamcs@...il.com>