forked from mirrors/linux
d230dec18d
I tried to use 'dump_page(page, __func__)' for debugging, but it triggers warning: warning: passing argument 2 of `dump_page' discards `const' qualifier from pointer target type [enabled by default] Let's convert 'reason' to 'const char *' in dump_page() and friends: we shouldn't modify it anyway. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
25 lines
657 B
C
25 lines
657 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)
|
|
#else
|
|
#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond)
|
|
#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(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
|