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From: Matthew Wilcox <willy@infradead.org>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Hugh Dickins <hughd@google.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	Anna Schumaker <Anna.Schumaker@netapp.com>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	Baolin Wang <baolin.wang@linux.alibaba.com>
Subject: Re: [PATCH v2] tmpfs: fault in smaller chunks if large folio allocation not allowed
Date: Sun, 22 Sep 2024 01:35:56 +0100	[thread overview]
Message-ID: <Zu9mbBHzI-MyRoHa@casper.infradead.org> (raw)
In-Reply-To: <20240920143654.1008756-1-wangkefeng.wang@huawei.com>

On Fri, Sep 20, 2024 at 10:36:54PM +0800, Kefeng Wang wrote:
> The tmpfs supports large folio, but there is some configurable options
> to enable/disable large folio allocation, and for huge=within_size,
> large folio only allowabled if it fully within i_size, so there is
> performance issue when perform write without large folio, the issue is
> similar to commit 4e527d5841e2 ("iomap: fault in smaller chunks for
> non-large folio mappings").

No.  What's wrong with my earlier suggestion?

  reply	other threads:[~2024-09-22  0:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-14 14:06 [PATCH -next] tmpfs: fault in smaller chunks if large folio allocation not allowed Kefeng Wang
2024-09-15 10:40 ` Matthew Wilcox
2024-09-18  3:55   ` Kefeng Wang
2024-09-20 14:36 ` [PATCH v2] " Kefeng Wang
2024-09-22  0:35   ` Matthew Wilcox [this message]
2024-09-23  1:39     ` Kefeng Wang
2024-09-26  8:38       ` Pankaj Raghav (Samsung)
2024-09-26 13:52         ` Matthew Wilcox
2024-09-26 14:20           ` Kefeng Wang
2024-09-26 14:58             ` Matthew Wilcox
2024-09-30  1:27               ` Kefeng Wang
2024-09-30  2:02           ` Baolin Wang
2024-09-30  2:30             ` Kefeng Wang
2024-09-30  2:52               ` Baolin Wang
2024-09-30  3:15                 ` Kefeng Wang
2024-09-30  6:48                   ` Baolin Wang
2024-10-09  7:09                     ` Kefeng Wang
2024-10-09  8:52                       ` Baolin Wang
2024-10-11  6:59   ` [PATCH v3] tmpfs: don't enable large folios if not supported Kefeng Wang
2024-10-12  3:59     ` Baolin Wang
2024-10-14  2:36       ` Kefeng Wang
2024-10-17 14:17   ` [PATCH v4] " Kefeng Wang
2024-10-18  1:48     ` Baolin Wang

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