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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-05-24 17:12:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 08:39:16 -0700
commite303297e6c3a7b847c4731eb14006ca6b435ecca (patch)
treec2bbec8fb0cad1405f4a3ff908cd1d22abcd3e77 /mm
parent267239116987d64850ad2037d8e0f3071dc3b5ce (diff)
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')
-rw-r--r--mm/memory.c2
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 {