From: haoxin <xhao@linux.alibaba.com>
To: Luis Chamberlain <mcgrof@kernel.org>
Cc: hughd@google.com, akpm@linux-foundation.org, willy@infradead.org,
brauner@kernel.org, linux-mm@kvack.org, p.raghav@samsung.com,
da.gomez@samsung.com, a.manzanares@samsung.com,
dave@stgolabs.net, yosryahmed@google.com, keescook@chromium.org,
patches@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 0/6] tmpfs: add the option to disable swap
Date: Mon, 20 Mar 2023 19:14:22 +0800 [thread overview]
Message-ID: <edb78eea-a9a2-5c62-d203-6f2be39757d2@linux.alibaba.com> (raw)
In-Reply-To: <ZBdxWsrYfPgBG6NX@bombadil.infradead.org>
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在 2023/3/20 上午4:32, Luis Chamberlain 写道:
> On Tue, Mar 14, 2023 at 10:46:28AM +0800, haoxin wrote:
>> All these series looks good to me and i do some test on my virtual machine
>> it works well.
>>
>> so please add Tested-by: Xin Hao<xhao@linux.alibaba.com> .
>>
>> just one question, if tmpfs pagecache occupies a large amount of memory, how
>> can we ensure successful memory reclamation in case of memory shortage?
> If you're disabling swap then you know the only thing you can do is
> unmount if you want to help the VM, otherwise the pressure is just
> greater for the VM.
Un, what i mean is can we add a priority so that this type of pagecache
is reclaimed last ?
Instead of just setting the parameter noswap to make it unreclaimed,
because if such pagecache which
occupy big part of memory which can not be reclaimed, it will cause OOM.
>
> Luis
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next prev parent reply other threads:[~2023-03-20 11:14 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-09 23:05 [PATCH v2 0/6] tmpfs: add the option to disable swap Luis Chamberlain
2023-03-09 23:05 ` [PATCH v2 1/6] shmem: remove check for folio lock on writepage() Luis Chamberlain
2023-03-09 23:05 ` [PATCH v2 2/6] shmem: set shmem_writepage() variables early Luis Chamberlain
2023-03-09 23:05 ` [PATCH v2 3/6] shmem: move reclaim check early on writepages() Luis Chamberlain
2023-03-09 23:05 ` [PATCH v2 4/6] shmem: skip page split if we're not reclaiming Luis Chamberlain
2023-03-09 23:09 ` Yosry Ahmed
2023-04-18 4:41 ` Hugh Dickins
2023-04-18 21:11 ` Luis Chamberlain
2023-04-18 21:20 ` Hugh Dickins
2023-03-09 23:05 ` [PATCH v2 5/6] shmem: update documentation Luis Chamberlain
2023-04-18 5:29 ` Hugh Dickins
2023-04-18 21:20 ` Luis Chamberlain
2023-04-18 21:41 ` Hugh Dickins
2023-04-18 21:49 ` Luis Chamberlain
2023-03-09 23:05 ` [PATCH v2 6/6] shmem: add support to ignore swap Luis Chamberlain
2023-04-18 5:50 ` Hugh Dickins
2023-04-18 7:38 ` Christian Brauner
2023-04-18 21:51 ` Luis Chamberlain
2023-04-20 8:57 ` [PATCH] shmem: restrict noswap option to initial user namespace Christian Brauner
2023-04-20 19:18 ` Luis Chamberlain
2023-04-18 21:22 ` [PATCH v2 6/6] shmem: add support to ignore swap Luis Chamberlain
2023-04-18 21:30 ` Randy Dunlap
2023-03-14 1:21 ` [PATCH v2 0/6] tmpfs: add the option to disable swap Davidlohr Bueso
2023-03-14 2:46 ` haoxin
2023-03-19 20:32 ` Luis Chamberlain
2023-03-20 11:14 ` haoxin [this message]
2023-03-20 21:36 ` Luis Chamberlain
2023-03-21 11:37 ` haoxin
2023-04-18 4:31 ` Hugh Dickins
2023-04-18 20:55 ` Luis Chamberlain
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