tree b45e4acaadd16362d08d107f24ac63b6e61e142c
parent 2bf0a8f67fae9906c6497886203f6e5cb7168df6
author Chuansheng Liu <chuansheng.liu@intel.com> 1355788790 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1355793313 -0800

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>