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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2011-05-24 17:12:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:39:16 -0700 |
| commit | e303297e6c3a7b847c4731eb14006ca6b435ecca (patch) | |
| tree | c2bbec8fb0cad1405f4a3ff908cd1d22abcd3e77 /mm/memory.c | |
| parent | 267239116987d64850ad2037d8e0f3071dc3b5ce (diff) | |
| download | lwn-e303297e6c3a7b847c4731eb14006ca6b435ecca.tar.gz lwn-e303297e6c3a7b847c4731eb14006ca6b435ecca.zip | |
mm: extended batches for generic mmu_gather
Instead of using a single batch (the small on-stack, or an allocated
page), try and extend the batch every time it runs out and only flush once
either the extend fails or we're done.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Requested-by: Nick Piggin <npiggin@kernel.dk>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Miller <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index a77fd23ee68a..17193d74f302 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -994,8 +994,8 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb, spinlock_t *ptl; int rss[NR_MM_COUNTERS]; - init_rss_vec(rss); again: + init_rss_vec(rss); pte = pte_offset_map_lock(mm, pmd, addr, &ptl); arch_enter_lazy_mmu_mode(); do { |