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authorLaveesh Bansal <laveeshb@laveeshbansal.com>2026-01-06 14:50:59 +0000
committerChristian Brauner <brauner@kernel.org>2026-01-12 11:07:25 +0100
commit30ef9a20f1fdf6ab483d64fe3d54ba7d07b9b46f (patch)
tree963f1ef602c5429bd97e53a2a17fabc5c83798c7 /tools/perf/scripts/python/flamegraph.py
parentwriteback: fix 100% CPU usage when dirtytime_expire_interval is 0 (diff)
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docs: clarify that dirtytime_expire_seconds=0 disables writeback
Document that setting vm.dirtytime_expire_seconds to zero disables periodic dirtytime writeback, matching the behavior of the related dirty_writeback_centisecs sysctl which already documents this. Signed-off-by: Laveesh Bansal <laveeshb@laveeshbansal.com> Link: https://patch.msgid.link/20260106145059.543282-3-laveeshb@laveeshbansal.com Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
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