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>
diff --git a/mm/rmap.c b/mm/rmap.c
index bc74e00..116a505 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -527,7 +527,7 @@
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 @@
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 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 @@
* 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;