On 2/12/25 10:31, Jaegeuk Kim via Linux-f2fs-devel wrote:
> 1. fadvise(fd1, POSIX_FADV_NOREUSE, {0,3});
> 2. fadvise(fd2, POSIX_FADV_NOREUSE, {1,2});
> 3. fadvise(fd3, POSIX_FADV_NOREUSE, {3,1});
> 4. echo 1024 > /sys/fs/f2fs/tuning/reclaim_caches_kb
>
> This gives a way to reclaim file-backed pages by iterating all f2fs mounts
> until
> reclaiming 1MB page cache ranges, registered by #1, #2, and #3.
>
> 5. cat /sys/fs/f2fs/tuning/reclaim_caches_kb
> -> gives total number of registered file ranges.
>
> Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
Reviewed-by: Chao Yu <c...@kernel.org>
Thanks,
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