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9933e05f50
[ Upstream commita907f3a68e] 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. Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Stable-dep-of:e462fc48ce("f2fs: maintain one time GC mode is enabled during whole zoned GC cycle") Signed-off-by: Sasha Levin <sashal@kernel.org>
239 lines
5.6 KiB
239 lines
5.6 KiB