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authorHugh Dickins <hugh@veritas.com>2005-10-30 02:16:05 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 05:40:38 +0100
commitae859762332f19bfc06f4c4a1b1fefb41e9e1084 (patch)
tree4f21583bb1441e5555ed199a40d5f679bb4506e9 /fs/qnx4
parent[PATCH] mm: rss = file_rss + anon_rss (diff)
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[PATCH] mm: batch updating mm_counters
tlb_finish_mmu used to batch zap_pte_range's update of mm rss, which may be worthwhile if the mm is contended, and would reduce atomic operations if the counts were atomic. Let zap_pte_range now batch its updates to file_rss and anon_rss, per page-table in case we drop the lock outside; and copy_pte_range batch them too. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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