[PATCH] delete from_swap_cache BUG_ONs
Three of the four BUG_ONs in delete_from_swap_cache are immediately repeated in __delete_from_swap_cache: delete those and add the one. But perhaps mm/ is altogether overprovisioned with historic BUGs? Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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