VM_BUG_ON_PGFLAGS  229 include/linux/page-flags.h 		VM_BUG_ON_PGFLAGS(PagePoisoned(page), page);		\
VM_BUG_ON_PGFLAGS  234 include/linux/page-flags.h 		VM_BUG_ON_PGFLAGS(PageTail(page), page);		\
VM_BUG_ON_PGFLAGS  237 include/linux/page-flags.h 		VM_BUG_ON_PGFLAGS(enforce && PageTail(page), page);	\
VM_BUG_ON_PGFLAGS  240 include/linux/page-flags.h 		VM_BUG_ON_PGFLAGS(enforce && PageCompound(page), page);	\