From: Chao Yu <chao@kernel.org>
To: Gao Xiang <hsiangkao@linux.alibaba.com>, linux-erofs@lists.ozlabs.org
Cc: LKML <linux-kernel@vger.kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Kent Overstreet <kent.overstreet@gmail.com>
Subject: Re: [PATCH] erofs: get rid of ->lru usage
Date: Fri, 22 Oct 2021 22:14:15 +0800 [thread overview]
Message-ID: <b4d6a7ab-15a3-8bcd-7627-ea9c3200c012@kernel.org> (raw)
In-Reply-To: <20211022090120.14675-1-hsiangkao@linux.alibaba.com>
On 2021/10/22 17:01, Gao Xiang wrote:
> Currently, ->lru is a way to arrange non-LRU pages and has some
> in-kernel users. In order to minimize noticable issues of page
> reclaim and cache thrashing under high memory presure, limited
> temporary pages were all chained with ->lru and can be reused
> during the request. However, it seems that ->lru could be removed
> when folio is landing.
>
> Let's use page->private to chain temporary pages for now instead
> and transform EROFS formally after the topic of the folio / file
> page design is finalized.
>
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: Kent Overstreet <kent.overstreet@gmail.com>
> Cc: Chao Yu <chao@kernel.org>
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Thanks,
next prev parent reply other threads:[~2021-10-22 14:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-22 9:01 [PATCH] erofs: get rid of ->lru usage Gao Xiang
2021-10-22 14:14 ` Chao Yu [this message]
2021-10-24 16:59 ` Kent Overstreet
2021-10-25 0:12 ` Gao Xiang
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