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Diffstat (limited to 'include/asm-powerpc/thread_info.h')
-rw-r--r--include/asm-powerpc/thread_info.h20
1 files changed, 12 insertions, 8 deletions
diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
index ab17db79f69d..e525f49bd179 100644
--- a/include/asm-powerpc/thread_info.h
+++ b/include/asm-powerpc/thread_info.h
@@ -65,23 +65,27 @@ struct thread_info {
65 65
66/* thread information allocation */ 66/* thread information allocation */
67 67
68#ifdef CONFIG_DEBUG_STACK_USAGE
69#define THREAD_INFO_GFP GFP_KERNEL | __GFP_ZERO
70#else
71#define THREAD_INFO_GFP GFP_KERNEL
72#endif
73
74#if THREAD_SHIFT >= PAGE_SHIFT 68#if THREAD_SHIFT >= PAGE_SHIFT
75 69
76#define THREAD_ORDER (THREAD_SHIFT - PAGE_SHIFT) 70#define THREAD_ORDER (THREAD_SHIFT - PAGE_SHIFT)
77 71
72#ifdef CONFIG_DEBUG_STACK_USAGE
78#define alloc_thread_info(tsk) \ 73#define alloc_thread_info(tsk) \
79 ((struct thread_info *)__get_free_pages(THREAD_INFO_GFP, THREAD_ORDER)) 74 ((struct thread_info *)__get_free_pages(GFP_KERNEL | \
75 __GFP_ZERO, THREAD_ORDER))
76#else
77#define alloc_thread_info(tsk) \
78 ((struct thread_info *)__get_free_pages(GFP_KERNEL, THREAD_ORDER))
79#endif
80#define free_thread_info(ti) free_pages((unsigned long)ti, THREAD_ORDER) 80#define free_thread_info(ti) free_pages((unsigned long)ti, THREAD_ORDER)
81 81
82#else /* THREAD_SHIFT < PAGE_SHIFT */ 82#else /* THREAD_SHIFT < PAGE_SHIFT */
83 83
84#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, THREAD_INFO_GFP) 84#ifdef CONFIG_DEBUG_STACK_USAGE
85#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
86#else
87#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
88#endif
85#define free_thread_info(ti) kfree(ti) 89#define free_thread_info(ti) kfree(ti)
86 90
87#endif /* THREAD_SHIFT < PAGE_SHIFT */ 91#endif /* THREAD_SHIFT < PAGE_SHIFT */