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ae85976233
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>
2259 lines
59 KiB
2259 lines
59 KiB