Commit 02a8efed authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

include/linux/mmdebug.h: add VM_WARN_ON() and VM_WARN_ON_ONCE()

WARN_ON() and WARN_ON_ONCE(), dependent on CONFIG_DEBUG_VM

Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ae3a8c1c
...@@ -11,9 +11,13 @@ extern void dump_page_badflags(struct page *page, const char *reason, ...@@ -11,9 +11,13 @@ extern void dump_page_badflags(struct page *page, const char *reason,
#define VM_BUG_ON(cond) BUG_ON(cond) #define VM_BUG_ON(cond) BUG_ON(cond)
#define VM_BUG_ON_PAGE(cond, page) \ #define VM_BUG_ON_PAGE(cond, page) \
do { if (unlikely(cond)) { dump_page(page, NULL); BUG(); } } while (0) do { if (unlikely(cond)) { dump_page(page, NULL); BUG(); } } while (0)
#define VM_WARN_ON(cond) WARN_ON(cond)
#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond)
#else #else
#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) #define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond) #define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond)
#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond)
#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond)
#endif #endif
#ifdef CONFIG_DEBUG_VIRTUAL #ifdef CONFIG_DEBUG_VIRTUAL
......
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