From: Mel Gorman <mgorman@techsingularity.net>
To: "zhaoyang.huang" <zhaoyang.huang@unisoc.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Zhaoyang Huang <huangzhaoyang@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
ke.wang@unisoc.com
Subject: Re: [PATCH] mm: check high-order page when free it to pcp
Date: Mon, 19 Sep 2022 11:42:14 +0100 [thread overview]
Message-ID: <20220919104158.6vbzmzxk2dy6tu6w@techsingularity.net> (raw)
In-Reply-To: <1663559238-22918-1-git-send-email-zhaoyang.huang@unisoc.com>
On Mon, Sep 19, 2022 at 11:47:18AM +0800, zhaoyang.huang wrote:
> From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
>
> High-order pcp page escaped from checking when both of DEBUG_VM and debug_pagealloc
> are all disabled if it allocated again from pcp_list without going to global
> free list, which should be introduced by 44042b4498.
>
> fix:44042b4498
>
> Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Is this based on the comment mentioning order-0 pages above
free_pcp_prepare()? I ask because the comment is wrong and in both
instances should have s/order-0//
--
Mel Gorman
SUSE Labs
prev parent reply other threads:[~2022-09-19 10:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-19 3:47 zhaoyang.huang
2022-09-19 5:37 ` Zhaoyang Huang
2022-09-19 10:42 ` Mel Gorman [this message]
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