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| author | David S. Miller <davem@davemloft.net> | 2009-03-29 01:40:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-29 01:40:34 -0700 |
| commit | 13223cb02ccfa375f2d683d08d30db5b72264f1e (patch) | |
| tree | d3fc7d803d22bbfe03b96cf0ba38041d42c8a1c2 /include/linux/sched.h | |
| parent | 1383bdb98c01bbd28d72336d1bf614ce79114d29 (diff) | |
| parent | 07d43ba98621f08e252a48c96b258b4d572b0257 (diff) | |
| download | talos-op-linux-13223cb02ccfa375f2d683d08d30db5b72264f1e.tar.gz talos-op-linux-13223cb02ccfa375f2d683d08d30db5b72264f1e.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index ff904b0606d4..1d19c025f9d2 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1185,10 +1185,9 @@ struct task_struct { pid_t pid; pid_t tgid; -#ifdef CONFIG_CC_STACKPROTECTOR /* Canary value for the -fstack-protector gcc feature */ unsigned long stack_canary; -#endif + /* * pointers to (original) parent process, youngest child, younger sibling, * older sibling, respectively. (p->father can be replaced with @@ -2107,6 +2106,19 @@ static inline int object_is_on_stack(void *obj) extern void thread_info_cache_init(void); +#ifdef CONFIG_DEBUG_STACK_USAGE +static inline unsigned long stack_not_used(struct task_struct *p) +{ + unsigned long *n = end_of_stack(p); + + do { /* Skip over canary */ + n++; + } while (!*n); + + return (unsigned long)n - (unsigned long)end_of_stack(p); +} +#endif + /* set thread flags in other task's structures * - see asm/thread_info.h for TIF_xxxx flags available */ |
