From: Andrew Morton <akpm@linux-foundation.org>
To: Rui Qi <qirui.001@bytedance.com>
Cc: linmiaohe@huawei.com, nao.horiguchi@gmail.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/memory-failure: allow memory allocation from emergency reserves
Date: Tue, 25 Jun 2024 13:01:10 -0700 [thread overview]
Message-ID: <20240625130110.ae4f6c3265559d1b1f979a3b@linux-foundation.org> (raw)
In-Reply-To: <20240625022342.6158-1-qirui.001@bytedance.com>
On Tue, 25 Jun 2024 10:23:42 +0800 Rui Qi <qirui.001@bytedance.com> wrote:
> we hope that memory errors can be successfully handled quickly, using
> __GFP_MEMALLOC can help us improve the success rate of processing
> under memory pressure, because to_kill struct is freed very quickly,
> so using __GFP_MEMALLOC will not exacerbate memory pressure for a long time,
> and more memory will be freed after killed task exiting, which will also
> reduce memory pressure.
Has this been observed to improve behavior in some situation? In
other words, please fully describe the observed runtime effects of this
change.
next prev parent reply other threads:[~2024-06-25 20:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-25 2:23 Rui Qi
2024-06-25 20:01 ` Andrew Morton [this message]
2024-06-29 2:09 ` Miaohe Lin
2024-07-02 7:19 ` Andrew Morton
2024-07-02 8:04 ` Miaohe Lin
2024-07-04 23:26 ` Andrew Morton
2024-07-05 1:04 ` Miaohe Lin
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