From 42c17dd881fc3ebea2620fe879e18d84f141dd7f Mon Sep 17 00:00:00 2001 From: Gerald Schaefer Date: Sat, 18 Oct 2008 20:27:11 -0700 Subject: [PATCH] setup_per_zone_pages_min(): take zone->lock instead of zone->lru_lock commit 1125b4e3949949b44a7c80b619507c6f61d62911 upstream. This replaces zone->lru_lock in setup_per_zone_pages_min() with zone->lock. There seems to be no need for the lru_lock anymore, but there is a need for zone->lock instead, because that function may call move_freepages() via setup_zone_migrate_reserve(). Signed-off-by: Gerald Schaefer Acked-by: KAMEZAWA Hiroyuki Tested-by: Yasunori Goto Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ed5cdae10bfc..51daae5d7062 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4224,7 +4224,7 @@ void setup_per_zone_pages_min(void) for_each_zone(zone) { u64 tmp; - spin_lock_irqsave(&zone->lru_lock, flags); + spin_lock_irqsave(&zone->lock, flags); tmp = (u64)pages_min * zone->present_pages; do_div(tmp, lowmem_pages); if (is_highmem(zone)) { @@ -4256,7 +4256,7 @@ void setup_per_zone_pages_min(void) zone->pages_low = zone->pages_min + (tmp >> 2); zone->pages_high = zone->pages_min + (tmp >> 1); setup_zone_migrate_reserve(zone); - spin_unlock_irqrestore(&zone->lru_lock, flags); + spin_unlock_irqrestore(&zone->lock, flags); } /* update totalreserve_pages */ -- 2.39.2