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author | Paul Mackerras <paulus@samba.org> | 2006-05-19 15:02:42 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-05-19 15:02:42 +1000 |
commit | 3c06da5ae5358e9d325d541a053e1059e9654bcc (patch) | |
tree | 04c953cc82fe57cff248ac523095cd4f0d9611a7 /mm/page_alloc.c | |
parent | 4d1f3f25d9c303d1ce63b42cc94c54ac0ab2e950 (diff) | |
parent | a54c9d30dbb06391ec4422aaf0e1dc2c8c53bd3e (diff) | |
download | blackbird-op-linux-3c06da5ae5358e9d325d541a053e1059e9654bcc.tar.gz blackbird-op-linux-3c06da5ae5358e9d325d541a053e1059e9654bcc.zip |
Merge ../linux-2.6
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r-- | mm/page_alloc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ea77c999047e..813b4ec1298a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -39,6 +39,7 @@ #include <linux/mempolicy.h> #include <asm/tlbflush.h> +#include <asm/div64.h> #include "internal.h" /* @@ -2566,9 +2567,11 @@ void setup_per_zone_pages_min(void) } for_each_zone(zone) { - unsigned long tmp; + u64 tmp; + spin_lock_irqsave(&zone->lru_lock, flags); - tmp = (pages_min * zone->present_pages) / lowmem_pages; + tmp = (u64)pages_min * zone->present_pages; + do_div(tmp, lowmem_pages); if (is_highmem(zone)) { /* * __GFP_HIGH and PF_MEMALLOC allocations usually don't @@ -2595,8 +2598,8 @@ void setup_per_zone_pages_min(void) zone->pages_min = tmp; } - zone->pages_low = zone->pages_min + tmp / 4; - zone->pages_high = zone->pages_min + tmp / 2; + zone->pages_low = zone->pages_min + (tmp >> 2); + zone->pages_high = zone->pages_min + (tmp >> 1); spin_unlock_irqrestore(&zone->lru_lock, flags); } |