A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 02:32:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

x86: clean up stack allocation and free

Browse source 
Clean up the allocation and freeing of stacks a bit by using a __GFP_ZERO flag
instead of memset.

Signed-off-by: Christoph Lameter <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Mike Travis <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
[email protected] 2008-01-30 13:30:32 +01:00 • committed by Ingo Molnar
commit 6ea8bad1c0
1 changed files with 5 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

16
include/asm-x86/thread_info_64.h
View file

@ -74,20 +74,14 @@ static inline struct thread_info *stack_thread_info(void)
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \
({ \
struct thread_info *ret; \
\
ret = ((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER)); \
if (ret) \
memset(ret, 0, THREAD_SIZE); \
ret; \
})
#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
#else
#define alloc_thread_info(tsk) \
((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER))
#define THREAD_FLAGS GFP_KERNEL
#endif
#define alloc_thread_info(tsk) \
((struct thread_info *) __get_free_pages(THREAD_FLAGS, THREAD_ORDER))
#define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER)
#else /* !__ASSEMBLY__ */