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x86, MM: virtual address debug, cleanups

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Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-06-19 13:28:11 +02:00
parent a1bf9631be
commit 7aa413def7
2 changed files with 6 additions and 4 deletions
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4
include/linux/mmdebug.h
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@ -6,13 +6,13 @@
#ifdef CONFIG_DEBUG_VM #ifdef CONFIG_DEBUG_VM
#define VM_BUG_ON(cond) BUG_ON(cond) #define VM_BUG_ON(cond) BUG_ON(cond)
#else #else
#define VM_BUG_ON(cond) do { } while(0) #define VM_BUG_ON(cond) do { } while (0)
#endif #endif
#ifdef CONFIG_DEBUG_VIRTUAL #ifdef CONFIG_DEBUG_VIRTUAL
#define VIRTUAL_BUG_ON(cond) BUG_ON(cond) #define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
#else #else
#define VIRTUAL_BUG_ON(cond) do { } while(0) #define VIRTUAL_BUG_ON(cond) do { } while (0)
#endif #endif
#endif #endif

6
mm/vmalloc.c
View file

@ -180,8 +180,10 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
pmd_t *pmd; pmd_t *pmd;
pte_t *ptep, pte; pte_t *ptep, pte;
/* XXX we might need to change this if we add VIRTUAL_BUG_ON for /*
* architectures that do not vmalloc module space */ * XXX we might need to change this if we add VIRTUAL_BUG_ON for
* architectures that do not vmalloc module space
*/
VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) && VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
!is_module_address(addr)); !is_module_address(addr));