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| author | Aaron Tomlin <atomlin@redhat.com> | 2014-09-12 14:16:18 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-09-19 12:35:23 +0200 |
| commit | a70857e46dd13e87ae06bf0e64cb6a2d4f436265 (patch) | |
| tree | 3be941f7657d57af4215c886763072701c6c2f6e /include/linux/sched.h | |
| parent | d4311ff1a8da48d609db9500f121c15580dfeeb7 (diff) | |
| download | lwn-a70857e46dd13e87ae06bf0e64cb6a2d4f436265.tar.gz lwn-a70857e46dd13e87ae06bf0e64cb6a2d4f436265.zip | |
sched: Add helper for task stack page overrun checking
This facility is used in a few places so let's introduce
a helper function to improve code readability.
Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: aneesh.kumar@linux.vnet.ibm.com
Cc: dzickus@redhat.com
Cc: bmr@redhat.com
Cc: jcastillo@redhat.com
Cc: oleg@redhat.com
Cc: riel@redhat.com
Cc: prarit@redhat.com
Cc: jgh@redhat.com
Cc: minchan@kernel.org
Cc: mpe@ellerman.id.au
Cc: tglx@linutronix.de
Cc: hannes@cmpxchg.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Seiji Aguchi <seiji.aguchi@hds.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/1410527779-8133-3-git-send-email-atomlin@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 118dca7d5a28..18f52624eaa6 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2617,6 +2617,8 @@ static inline unsigned long *end_of_stack(struct task_struct *p) } #endif +#define task_stack_end_corrupted(task) \ + (*(end_of_stack(task)) != STACK_END_MAGIC) static inline int object_is_on_stack(void *obj) { |