dynup/kpatch — pull request #141 by ryanmiao (2014-04-25 04:13:36+00:00)
Title: Adding preempt_mask.h to core.c

When compiling core.c, it may report error like:
"error: implicit declaration of function ‘in_nmi’"

Adding header file in_nmi defined could avoid this.

Signed-off-by: Jincheng Miao