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

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

include/linux/mmdebug.h

+4 −0
Original line number Diff line number Diff line
@@ -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_PAGE(cond, page) \

	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

#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(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



#ifdef CONFIG_DEBUG_VIRTUAL