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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-14 18:24:00 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 18:24:00 +0200 |
| commit | 83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch) | |
| tree | af1bbe2bac5752b69b1ac58bf5d822c735da439b /include/linux/kernel.h | |
| parent | e7250b8ae3870f37f660c2f65cafcaba85e3bfd3 (diff) | |
| parent | adee14b2e1557d0a8559f29681732d05a89dfc35 (diff) | |
| download | kernel-crypto-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.tar.gz kernel-crypto-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.tar.xz kernel-crypto-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.zip | |
Merge commit 'v2.6.27-rc6' into timers/hpet
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index fdbbf72ca2e..2651f805ba6 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -75,6 +75,12 @@ extern const char linux_proc_banner[]; */ #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) +/** + * lower_32_bits - return bits 0-31 of a number + * @n: the number we're accessing + */ +#define lower_32_bits(n) ((u32)(n)) + #define KERN_EMERG "<0>" /* system is unusable */ #define KERN_ALERT "<1>" /* action must be taken immediately */ #define KERN_CRIT "<2>" /* critical conditions */ @@ -102,6 +108,13 @@ struct completion; struct pt_regs; struct user; +#ifdef CONFIG_PREEMPT_VOLUNTARY +extern int _cond_resched(void); +# define might_resched() _cond_resched() +#else +# define might_resched() do { } while (0) +#endif + /** * might_sleep - annotation for functions that can sleep * @@ -112,13 +125,6 @@ struct user; * be bitten later when the calling function happens to sleep when it is not * supposed to. */ -#ifdef CONFIG_PREEMPT_VOLUNTARY -extern int _cond_resched(void); -# define might_resched() _cond_resched() -#else -# define might_resched() do { } while (0) -#endif - #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP void __might_sleep(char *file, int line); # define might_sleep() \ |