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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-07-05 19:13:03 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-07-05 19:13:03 +0200 |
| commit | 5e66dd6d66ffe758b39b6dcadf2330753ee1159b (patch) | |
| tree | a72cdcff4448e4af9425cc213ddf56ab23e697fe /mm/page_alloc.c | |
| parent | Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq (diff) | |
| download | linux-5e66dd6d66ffe758b39b6dcadf2330753ee1159b.tar.xz linux-5e66dd6d66ffe758b39b6dcadf2330753ee1159b.zip | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3e792a583f3b..54a4f5375bba 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2005,6 +2005,10 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat, zone->spanned_pages = size; zone->present_pages = realsize; +#ifdef CONFIG_NUMA + zone->min_unmapped_ratio = (realsize*sysctl_min_unmapped_ratio) + / 100; +#endif zone->name = zone_names[j]; spin_lock_init(&zone->lock); spin_lock_init(&zone->lru_lock); @@ -2298,6 +2302,24 @@ int min_free_kbytes_sysctl_handler(ctl_table *table, int write, return 0; } +#ifdef CONFIG_NUMA +int sysctl_min_unmapped_ratio_sysctl_handler(ctl_table *table, int write, + struct file *file, void __user *buffer, size_t *length, loff_t *ppos) +{ + struct zone *zone; + int rc; + + rc = proc_dointvec_minmax(table, write, file, buffer, length, ppos); + if (rc) + return rc; + + for_each_zone(zone) + zone->min_unmapped_ratio = (zone->present_pages * + sysctl_min_unmapped_ratio) / 100; + return 0; +} +#endif + /* * lowmem_reserve_ratio_sysctl_handler - just a wrapper around * proc_dointvec() so that we can call setup_per_zone_lowmem_reserve() |