diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-11 08:32:18 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-11 08:33:14 +0100 |
| commit | f19693a17c6705e197eb24d4618060eaac1b535c (patch) | |
| tree | fc39dc23297c0e6be730cb0dfd74a34d9c0b8bfd /mm/page_alloc.c | |
| parent | 23b120cdfae4f5c29da69de750d545bad719ead4 (diff) | |
| parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) | |
Merge commit 'v2.6.38-rc4' into imx-for-2.6.39
Conflicts:
arch/arm/mach-mxs/clock-mx28.c
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 90c1439549fd..a873e61e312e 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1088,8 +1088,10 @@ static void drain_pages(unsigned int cpu) pset = per_cpu_ptr(zone->pageset, cpu); pcp = &pset->pcp; - free_pcppages_bulk(zone, pcp->count, pcp); - pcp->count = 0; + if (pcp->count) { + free_pcppages_bulk(zone, pcp->count, pcp); + pcp->count = 0; + } local_irq_restore(flags); } } @@ -2034,6 +2036,14 @@ restart: */ alloc_flags = gfp_to_alloc_flags(gfp_mask); + /* + * Find the true preferred zone if the allocation is unconstrained by + * cpusets. + */ + if (!(alloc_flags & ALLOC_CPUSET) && !nodemask) + first_zones_zonelist(zonelist, high_zoneidx, NULL, + &preferred_zone); + /* This is the last chance, in general, before the goto nopage. */ page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist, high_zoneidx, alloc_flags & ~ALLOC_NO_WATERMARKS, @@ -2192,7 +2202,9 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order, get_mems_allowed(); /* The preferred zone is used for statistics later */ - first_zones_zonelist(zonelist, high_zoneidx, nodemask, &preferred_zone); + first_zones_zonelist(zonelist, high_zoneidx, + nodemask ? : &cpuset_current_mems_allowed, + &preferred_zone); if (!preferred_zone) { put_mems_allowed(); return NULL; |