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

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WARN_ON() and WARN_ON_ONCE(), dependent on CONFIG_DEBUG_VM

Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2014-06-04 16:06:59 -07:00 committed by Linus Torvalds
parent ae3a8c1c23
commit 02a8efeda8
1 changed files with 4 additions and 0 deletions
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4
include/linux/mmdebug.h
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@ -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