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authorNick Piggin <nickpiggin@yahoo.com.au>2006-12-22 01:09:33 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-22 08:55:49 -0800
commit7de6b8057976584e5a422574cae4dd21c677b4d4 (patch)
tree900bc533401715eec4e44b73e388a74f08b3f1a5 /mm/memory.c
parent19900cdee29c812857ce938ab449e1053d516252 (diff)
downloadlwn-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.c4
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);