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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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akpm00 authored and torvalds committed Jun 4, 2014
1 parent ae3a8c1 commit 02a8efe
Showing 1 changed file with 4 additions and 0 deletions.
4 changes: 4 additions & 0 deletions include/linux/mmdebug.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
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