The patch titled
Subject: hugetlb: make some static variables global
has been added to the -mm tree. Its filename is
hugetlb-make-some-static-variables-global.patch
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------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: hugetlb: make some static variables global
We will use them later in hugetlb_cgroup.c
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Hillf Danton <dhillf@xxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/hugetlb.h | 5 +++++
mm/hugetlb.c | 7 ++-----
2 files changed, 7 insertions(+), 5 deletions(-)
diff -puN include/linux/hugetlb.h~hugetlb-make-some-static-variables-global include/linux/hugetlb.h
--- a/include/linux/hugetlb.h~hugetlb-make-some-static-variables-global
+++ a/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 -puN mm/hugetlb.c~hugetlb-make-some-static-variables-global mm/hugetlb.c
--- a/mm/hugetlb.c~hugetlb-make-some-static-variables-global
+++ a/mm/hugetlb.c
@@ -35,7 +35,7 @@ const unsigned long hugetlb_zero = 0, hu
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
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)
{
_
Subject: Subject: hugetlb: make some static variables global
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
linux-next.patch
hugetlb-rename-max_hstate-to-hugetlb_max_hstate.patch
hugetlb-dont-use-err_ptr-with-vm_fault-values.patch
hugetlb-add-an-inline-helper-for-finding-hstate-index.patch
hugetlb-use-mmu_gather-instead-of-a-temporary-linked-list-for-accumulating-pages.patch
hugetlb-avoid-taking-i_mmap_mutex-in-unmap_single_vma-for-hugetlb.patch
hugetlb-simplify-migrate_huge_page.patch
hugetlb-add-a-list-for-tracking-in-use-hugetlb-pages.patch
hugetlb-make-some-static-variables-global.patch
mm-hugetlb-add-new-hugetlb-cgroup.patch
10-15-hugetlb-cgroup-add-the-cgroup-pointer-to-page-lru.patch
hugetlb-cgroup-add-charge-uncharge-routines-for-hugetlb-cgroup.patch
hugetlb-cgroup-add-support-for-cgroup-removal.patch
hugetlb-cgroup-add-hugetlb-cgroup-control-files.patch
hugetlb-cgroup-migrate-hugetlb-cgroup-info-from-oldpage-to-new-page-during-migration.patch
hugetlb-cgroup-add-hugetlb-controller-documentation.patch
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