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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2012-07-31 16:42:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 18:42:40 -0700
commitc3f38a38715e9b4e7b1dda6840a1375f6894744d (patch)
treea351f014cc5e4483a9f5498b7086783b0fcb5bdd /mm/hugetlb.c
parent0edaecfab218d747d30de4575e911907371e2cd2 (diff)
hugetlb: make some static variables global
We will use them later in hugetlb_cgroup.c Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: David Rientjes <rientjes@google.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Hillf Danton <dhillf@gmail.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b5b6e156ca7..d5971597736 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -35,7 +35,7 @@ const unsigned long hugetlb_zero = 0, hugetlb_infinity = ~0UL;
static gfp_t htlb_alloc_mask = GFP_HIGHUSER;
unsigned long hugepages_treat_as_movable;
-static int hugetlb_max_hstate;
+int hugetlb_max_hstate __read_mostly;
unsigned int default_hstate_idx;
struct hstate hstates[HUGE_MAX_HSTATE];
@@ -46,13 +46,10 @@ static struct hstate * __initdata parsed_hstate;
static unsigned long __initdata default_hstate_max_huge_pages;
static unsigned long __initdata default_hstate_size;
-#define for_each_hstate(h) \
- for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++)
-
/*
* Protects updates to hugepage_freelists, nr_huge_pages, and free_huge_pages
*/
-static DEFINE_SPINLOCK(hugetlb_lock);
+DEFINE_SPINLOCK(hugetlb_lock);
static inline void unlock_or_release_subpool(struct hugepage_subpool *spool)
{