linux-kernel - Re: [PATCHv2 1/3] zsmalloc: do not scan for allocated objects in empty zspage

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Message-ID: <ZJnHPdJVbUyq06k7@google.com>
Date:   Mon, 26 Jun 2023 10:13:33 -0700
From:   Minchan Kim <minchan@...nel.org>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Alexey Romanov <AVRomanov@...rdevices.ru>
Subject: Re: [PATCHv2 1/3] zsmalloc: do not scan for allocated objects in
 empty zspage

On Sat, Jun 24, 2023 at 02:12:14PM +0900, Sergey Senozhatsky wrote:
> zspage migration can terminate as soon as it moves the last
> allocated object from the source zspage.  Add a simple helper
> zspage_empty() that tests zspage ->inuse on each migration
> iteration.
> 
> Suggested-by: Alexey Romanov <AVRomanov@...rdevices.ru>
> Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
Acked-by: Minchan Kim <minchan@...nel.org>