linux-kernel - Re: [PATCH] mm/page_alloc: make the annotations of available memory more accurate

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Message-Id: <20220622114328.938ef5b4899eb14cc8a285df@linux-foundation.org>
Date:   Wed, 22 Jun 2022 11:43:28 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     cgel.zte@...il.com
Cc:     willy@...radead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Yang Yang <yang.yang29@....com.cn>
Subject: Re: [PATCH] mm/page_alloc: make the annotations of available memory
 more accurate

On Wed, 22 Jun 2022 06:47:13 +0000 cgel.zte@...il.com wrote:

> From: Yang Yang <yang.yang29@....com.cn>
> 
> Not all the systems use swap, so estimating available memory would
> help to prevent swapping or OOM of system that not use swap.
> 
> And we need to reserve some page cache to prevent swapping or
> thrashing. If somebody is accessing the pages in pagecache,
> and if too much would be freed, most accesses might mean
> reading data from disk, i.e. thrashing.
> 
> Signed-off-by: Yang Yang <yang.yang29@....com.cn>

This should include your signoff, as described in
Documentation/process/submitting-patches.rst.

And we'd like a full name for that signoff please, not simply a bare
email address.