[PATCH -V8 08/16] hugetlb: Make some static variables global
From: Aneesh Kumar K.V <hidden>
Date: 2012-06-09 09:03:30
Also in:
linux-mm, lkml
Subsystem:
hugetlb subsystem, memory management, the rest · Maintainers:
Muchun Song, Oscar Salvador, Andrew Morton, Linus Torvalds
From: "Aneesh Kumar K.V" <redacted> We will use them later in hugetlb_cgroup.c Signed-off-by: Aneesh Kumar K.V <redacted> --- include/linux/hugetlb.h | 5 +++++ mm/hugetlb.c | 7 ++----- 2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index ed550d8..4aca057 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h@@ -21,6 +21,11 @@ struct hugepage_subpool { long max_hpages, used_hpages; }; +extern spinlock_t hugetlb_lock; +extern int hugetlb_max_hstate; +#define for_each_hstate(h) \ + for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++) + struct hugepage_subpool *hugepage_new_subpool(long nr_blocks); void hugepage_put_subpool(struct hugepage_subpool *spool);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b5b6e15..e899a2d 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; 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) {
--
1.7.10
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