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| author | Sasha Levin <sasha.levin@oracle.com> | 2014-10-09 22:28:10 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-10 02:25:57 (GMT) |
| commit | 81d1b09c6be66afac7d41ee52279d9bccbce56d8 (patch) | |
| tree | 22bc3aa61748eb31bff7a101a3028f45231561eb /mm/rmap.c | |
| parent | fa3759ccd5651c4235f572302d58c8ec9ddf1c4b (diff) | |
| download | linux-81d1b09c6be66afac7d41ee52279d9bccbce56d8.tar.xz | |
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.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -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; |