| commit | f341861fb0b701139849f8a85c2d3cdff466e8e8 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Tue Aug 21 15:05:14 2012 +0200 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Tue Aug 21 09:11:44 2012 -0700 |
| tree | a6e6fedd03fdb923828fa7143a0363738cd7dfcb | |
| parent | ec5da7f8dc023fc4dcbdd42e87dad231d2c2812d [diff] |
task_work: add a scheduling point in task_work_run()
It seems commit 4a9d4b024a31 ("switch fput to task_work_add") re-
introduced the problem addressed in 944be0b22472 ("close_files(): add
scheduling point")
If a server process with a lot of files (say 2 million tcp sockets) is
killed, we can spend a lot of time in task_work_run() and trigger a soft
lockup.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>