swh:1:snp:38ae39f9fd01a4b0ef06fab5668b65bf4c2aca03
Revision 68e83498cb4fad31963b5c76a71e80b824bc316e authored by Nicolas Saenz Julienne on 21 July 2021, 11:47:26 UTC, committed by Steven Rostedt (VMware) on 23 July 2021, 12:45:53 UTC
synchronize_rcu_tasks_rude() triggers IPIs and forces rescheduling on
all CPUs. It is a costly operation and, when targeting nohz_full CPUs,
very disrupting (hence the name). So avoid calling it when 'old_hash'
doesn't need to be freed.

Link: https://lkml.kernel.org/r/20210721114726.1545103-1-nsaenzju@redhat.com

Signed-off-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
1 parent 9528c19
History
Tip revision: 0cdd776ec92c0fec768c7079331804d3e52d4b27 authored by Linus Torvalds on 15 May 2022, 15:08:51 UTC
Merge tag 'driver-core-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Tip revision: 0cdd776
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.clang-format -rw-r--r-- 16.6 KB
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