From: Andrew Morton <akpm@linux-foundation.org>
To: yizhou.tang@shopee.com
Cc: neilb@suse.com, tj@kernel.org, wufengguang@huawei.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
tangyeechou@gmail.com, chunguang.xu@shopee.com,
yue.zhao@shopee.com
Subject: Re: [PATCH] mm: Fix memcg writeback for rt tasks
Date: Mon, 10 Apr 2023 21:36:18 -0700 [thread overview]
Message-ID: <20230410213618.0d8b2b19a15376dfd49e3c53@linux-foundation.org> (raw)
In-Reply-To: <20230403165708.352841-1-yizhou.tang@shopee.com>
On Tue, 4 Apr 2023 00:57:08 +0800 yizhou.tang@shopee.com wrote:
> From: Tang Yizhou <yizhou.tang@shopee.com>
>
> Neil said he didn't know what was wanted for realtime in the commit
> message of commit a37b0715ddf3 ("mm/writeback: replace PF_LESS_THROTTLE
> with PF_LOCAL_THROTTLE"). I think we need to distinguish between the
> global writeback and memcg writeback in domain_dirty_limits() for the
> rt tasks.
Why do you think this?
> Fixes: a53eaff8c119 ("MM: increase safety margin provided by PF_LESS_THROTTLE")
In what way does it fix it? Please describe the user-visible effects
of this change.
prev parent reply other threads:[~2023-04-11 4:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 16:57 yizhou.tang
2023-04-11 4:36 ` Andrew Morton [this message]
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