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| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2006-12-22 01:09:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-22 08:55:49 -0800 |
| commit | 7de6b8057976584e5a422574cae4dd21c677b4d4 (patch) | |
| tree | 900bc533401715eec4e44b73e388a74f08b3f1a5 /mm/memory.c | |
| parent | 19900cdee29c812857ce938ab449e1053d516252 (diff) | |
| download | lwn-7de6b8057976584e5a422574cae4dd21c677b4d4.tar.gz lwn-7de6b8057976584e5a422574cae4dd21c677b4d4.zip | |
[PATCH] mm: more rmap debugging
Add more debugging in the rmap code in an attempt to locate to source of
the occasional "mapcount went negative" assertions.
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index c00bac66ce9f..563792f4f687 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -681,7 +681,7 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb, mark_page_accessed(page); file_rss--; } - page_remove_rmap(page); + page_remove_rmap(page, vma); tlb_remove_page(tlb, page); continue; } @@ -1586,7 +1586,7 @@ gotten: page_table = pte_offset_map_lock(mm, pmd, address, &ptl); if (likely(pte_same(*page_table, orig_pte))) { if (old_page) { - page_remove_rmap(old_page); + page_remove_rmap(old_page, vma); if (!PageAnon(old_page)) { dec_mm_counter(mm, file_rss); inc_mm_counter(mm, anon_rss); |