mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-06 09:33:20 +01:00
Andrew Morton
02a8efeda8
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]>
30 lines
854 B
C
30 lines
854 B
C
#ifndef LINUX_MM_DEBUG_H
|
|
#define LINUX_MM_DEBUG_H 1
|
|
|
|
struct page;
|
|
|
|
extern void dump_page(struct page *page, const char *reason);
|
|
extern void dump_page_badflags(struct page *page, const char *reason,
|
|
unsigned long badflags);
|
|
|
|
#ifdef CONFIG_DEBUG_VM
|
|
#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
|
|
#define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
|
|
#else
|
|
#define VIRTUAL_BUG_ON(cond) do { } while (0)
|
|
#endif
|
|
|
|
#endif
|