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authorSasha Levin <sasha.levin@oracle.com>2014-10-09 15:28:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-09 22:25:57 -0400
commit81d1b09c6be66afac7d41ee52279d9bccbce56d8 (patch)
tree22bc3aa61748eb31bff7a101a3028f45231561eb /mm/rmap.c
parentfa3759ccd5651c4235f572302d58c8ec9ddf1c4b (diff)
mm: convert a few VM_BUG_ON callers to VM_BUG_ON_VMA
Trivially convert a few VM_BUG_ON calls to VM_BUG_ON_VMA to extract more information when they trigger. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Rik van Riel <riel@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Michal Hocko <mhocko@suse.cz> Cc: Hugh Dickins <hughd@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Michel Lespinasse <walken@google.com> Cc: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/rmap.c')
-rw-r--r--mm/rmap.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index bc74e0012809..116a5053415b 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -527,7 +527,7 @@ vma_address(struct page *page, struct vm_area_struct *vma)
unsigned long address = __vma_address(page, vma);
/* page should be within @vma mapping range */
- VM_BUG_ON(address < vma->vm_start || address >= vma->vm_end);
+ VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
return address;
}
@@ -897,7 +897,7 @@ void page_move_anon_rmap(struct page *page,
struct anon_vma *anon_vma = vma->anon_vma;
VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON(!anon_vma);
+ VM_BUG_ON_VMA(!anon_vma, vma);
VM_BUG_ON_PAGE(page->index != linear_page_index(vma, address), page);
anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON;
@@ -1024,7 +1024,7 @@ void do_page_add_anon_rmap(struct page *page,
void page_add_new_anon_rmap(struct page *page,
struct vm_area_struct *vma, unsigned long address)
{
- VM_BUG_ON(address < vma->vm_start || address >= vma->vm_end);
+ VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
SetPageSwapBacked(page);
atomic_set(&page->_mapcount, 0); /* increment count (starts at -1) */
if (PageTransHuge(page))
@@ -1670,7 +1670,7 @@ static int rmap_walk_file(struct page *page, struct rmap_walk_control *rwc)
* structure at mapping cannot be freed and reused yet,
* so we can safely take mapping->i_mmap_mutex.
*/
- VM_BUG_ON(!PageLocked(page));
+ VM_BUG_ON_PAGE(!PageLocked(page), page);
if (!mapping)
return ret;