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From: Chao Yu <chao@kernel.org>
To: Jaegeuk Kim <jaegeuk@kernel.org>,
	linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Cc: chao@kernel.org
Subject: Re: [f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages
Date: Thu, 23 Jan 2025 10:00:29 +0800	[thread overview]
Message-ID: <fb1bcab5-b006-40ef-8442-faede11e8649@kernel.org> (raw)
In-Reply-To: <20250122211323.3835557-3-jaegeuk@kernel.org>

On 1/23/25 05:10, Jaegeuk Kim via Linux-f2fs-devel wrote:
> 1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3});
> 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2});
> 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1});
> 4. echo 1024 > /sys/fs/f2fs/blk/reclaim_caches_kb
> 
> will reclaim 4MB page cache ranges, registered by #1, #2, and #3.

4MB -> 1MB?

> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

  reply	other threads:[~2025-01-23  2:00 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-22 21:10 [PATCH 0/2 v7] add ioctl/sysfs to " Jaegeuk Kim
2025-01-22 21:10 ` [PATCH 1/2] f2fs: register inodes which is able to donate pages Jaegeuk Kim
2025-01-23  1:50   ` [f2fs-dev] " Chao Yu
2025-01-22 21:10 ` [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages Jaegeuk Kim
2025-01-23  2:00   ` Chao Yu [this message]
  -- strict thread matches above, loose matches on Subject: below --
2025-01-31 22:27 [PATCH 0/2 v8] add ioctl/sysfs to " Jaegeuk Kim
2025-01-31 22:27 ` [PATCH 2/2] f2fs: add a sysfs entry to request " Jaegeuk Kim
2025-02-06  2:23   ` [f2fs-dev] " Chao Yu
2025-02-06 18:33     ` Jaegeuk Kim
2025-01-15 22:16 [PATCH 0/2 v3] add ioctl/sysfs to " Jaegeuk Kim
2025-01-15 22:16 ` [PATCH 2/2] f2fs: add a sysfs entry to request " Jaegeuk Kim
2025-01-16  3:14   ` [f2fs-dev] " Chao Yu
2025-01-16  4:41     ` Jaegeuk Kim
2025-01-13 18:39 [PATCH 1/2] f2fs: register inodes which is able to donate pages Jaegeuk Kim
2025-01-13 18:39 ` [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages Jaegeuk Kim
2025-01-14  7:34   ` [f2fs-dev] " Chao Yu
2025-01-14 17:18     ` Jaegeuk Kim
2025-01-15  2:17       ` Chao Yu

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