diff options
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/thread_info.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h index b5e88216fd8..2029b00351f 100644 --- a/include/asm-x86_64/thread_info.h +++ b/include/asm-x86_64/thread_info.h @@ -73,8 +73,21 @@ 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; \ + }) +#else #define alloc_thread_info(tsk) \ ((struct thread_info *) __get_free_pages(GFP_KERNEL,THREAD_ORDER)) +#endif + #define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER) #else /* !__ASSEMBLY__ */ |