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(parent: 2bf0a8f) | patch
watchdog: store the watchdog sample period as a variable
authorChuansheng Liu <chuansheng.liu@intel.com>
Mon, 17 Dec 2012 23:59:50 +0000 (15:59 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 18 Dec 2012 01:15:13 +0000 (17:15 -0800)
commit0f34c400914f165b7b3812459be2d77b8aa1f1e4
treeb45e4acaadd16362d08d107f24ac63b6e61e142ctree | snapshot
parent2bf0a8f67fae9906c6497886203f6e5cb7168df6commit | diff
watchdog: store the watchdog sample period as a variable

Currently getting the sample period is always thru a complex
calculation: get_softlockup_thresh() * ((u64)NSEC_PER_SEC / 5).

We can store the sample period as a variable, and set it as __read_mostly
type.

Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Cc: Don Zickus <dzickus@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/watchdog.c diff | blob | history
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