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| author |   Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 14:50:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 21:20:20 +0100 |
| commit | 80c5520811d3805adcb15c570ea5e2d489fa5d0b (patch) | |
| tree | ae797a7f4af39f80e77526533d06ac23b439f0ab /include/linux/sched.h | |
| parent | Merge branches 'irq/sparseirq' and 'linus' into irq/core (diff) | |
| parent | cpumask: remove cpumask allocation from idle_balance, fix (diff) | |
| download | linux-dev-80c5520811d3805adcb15c570ea5e2d489fa5d0b.tar.xz linux-dev-80c5520811d3805adcb15c570ea5e2d489fa5d0b.zip | |
Merge branch 'cpus4096' into irq/threaded
Conflicts:
arch/parisc/kernel/irq.c
kernel/irq/handle.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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 011db2f4c94c..46d680643f89 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1178,10 +1178,9 @@ 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 @@ -2090,6 +2089,19 @@ 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 */ |