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[PATCH] mm: more rmap debugging

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Add more debugging in the rmap code in an attempt to locate to source of
the occasional "mapcount went negative" assertions.

Cc: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Nick Piggin 2006-12-22 01:09:33 -08:00 • committed by Linus Torvalds
commit 7de6b80579
5 changed files with 15 additions and 8 deletions
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2
mm/fremap.c
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@ -33,7 +33,7 @@ static int zap_pte(struct mm_struct *mm, struct vm_area_struct *vma,
if (page) {
if (pte_dirty(pte))
set_page_dirty(page);
page_remove_rmap(page);
page_remove_rmap(page, vma);
page_cache_release(page);
}
} else {