The patch titled
Subject: mm: mark fault_around_bytes __read_mostly
has been added to the -mm tree. Its filename is
mm-mark-fault_around_bytes-__read_mostly.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-mark-fault_around_bytes-__read_mostly.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-mark-fault_around_bytes-__read_mostly.patch
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From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: mm: mark fault_around_bytes __read_mostly
fault_around_bytes can only be changed via debugfs. Let's mark it
read-mostly.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Suggested-by: David Rientjes <rientjes@xxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Andrey Ryabinin <a.ryabinin@xxxxxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/memory.c~mm-mark-fault_around_bytes-__read_mostly mm/memory.c
--- a/mm/memory.c~mm-mark-fault_around_bytes-__read_mostly
+++ a/mm/memory.c
@@ -2768,7 +2768,8 @@ void do_set_pte(struct vm_area_struct *v
update_mmu_cache(vma, address, pte);
}
-static unsigned long fault_around_bytes = rounddown_pow_of_two(65536);
+static unsigned long fault_around_bytes __read_mostly =
+ rounddown_pow_of_two(65536);
#ifdef CONFIG_DEBUG_FS
static int fault_around_bytes_get(void *data, u64 *val)
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
origin.patch
mm-memoryc-use-entry-=-access_oncepte-in-handle_pte_fault.patch
mm-thp-move-invariant-bug-check-out-of-loop-in-__split_huge_page_map.patch
mm-thp-replace-smp_mb-after-atomic_add-by-smp_mb__after_atomic.patch
mm-hugetlb-generalize-writes-to-nr_hugepages.patch
mm-hugetlb-generalize-writes-to-nr_hugepages-fix.patch
mm-hugetlb-remove-hugetlb_zero-and-hugetlb_infinity.patch
mm-thp-only-collapse-hugepages-to-nodes-with-affinity-for-zone_reclaim_mode.patch
mm-oom-ensure-memoryless-node-zonelist-always-includes-zones.patch
mm-oom-ensure-memoryless-node-zonelist-always-includes-zones-fix.patch
mm-oom-remove-unnecessary-check-for-null-zonelist.patch
mm-oom-rename-zonelist-locking-functions.patch
mm-close-race-between-do_fault_around-and-fault_around_bytes_set.patch
mm-mark-fault_around_bytes-__read_mostly.patch
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
linux-next.patch
mm-replace-remap_file_pages-syscall-with-emulation.patch
mm-replace-remap_file_pages-syscall-with-emulation-fix.patch
mm-replace-remap_file_pages-syscall-with-emulation-fix-2.patch
mm-replace-remap_file_pages-syscall-with-emulation-fix-3.patch
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