The patch titled
Subject: hugeltb: mark hugelb_max_hstate __read_mostly
has been added to the -mm tree. Its filename is
hugetlb-make-some-static-variables-global-mark-hugelb_max_hstate-__read_mostly.patch
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------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: hugeltb: mark hugelb_max_hstate __read_mostly
We set this value only during boot.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Michal Hocko <mhocko@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/hugetlb.h | 2 +-
mm/hugetlb.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/hugetlb.h~hugetlb-make-some-static-variables-global-mark-hugelb_max_hstate-__read_mostly include/linux/hugetlb.h
--- a/include/linux/hugetlb.h~hugetlb-make-some-static-variables-global-mark-hugelb_max_hstate-__read_mostly
+++ a/include/linux/hugetlb.h
@@ -22,7 +22,7 @@ struct hugepage_subpool {
};
extern spinlock_t hugetlb_lock;
-extern int hugetlb_max_hstate;
+extern int hugetlb_max_hstate __read_mostly;
#define for_each_hstate(h) \
for ((h) = hstates; (h) < &hstates[hugetlb_max_hstate]; (h)++)
diff -puN mm/hugetlb.c~hugetlb-make-some-static-variables-global-mark-hugelb_max_hstate-__read_mostly mm/hugetlb.c
--- a/mm/hugetlb.c~hugetlb-make-some-static-variables-global-mark-hugelb_max_hstate-__read_mostly
+++ 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;
-int hugetlb_max_hstate;
+int hugetlb_max_hstate __read_mostly;
unsigned int default_hstate_idx;
struct hstate hstates[HUGE_MAX_HSTATE];
_
Subject: Subject: hugeltb: mark hugelb_max_hstate __read_mostly
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
hugetlb-make-some-static-variables-global-mark-hugelb_max_hstate-__read_mostly.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
hugetlb-move-all-the-in-use-pages-to-active-list.patch
hugetlb-cgroup-assign-the-page-hugetlb-cgroup-when-we-move-the-page-to-active-list.patch
hugetlb-cgroup-remove-exclude-and-wakeup-rmdir-calls-from-migrate.patch
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