The patch titled
Subject: mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix
has been added to the -mm tree. Its filename is
mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix
make zero_checksum and ksm_use_zero_pages __read_mostly, per Andrea
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Cc: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/ksm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/ksm.c~mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix mm/ksm.c
--- a/mm/ksm.c~mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix
+++ a/mm/ksm.c
@@ -224,10 +224,10 @@ static unsigned int ksm_thread_pages_to_
static unsigned int ksm_thread_sleep_millisecs = 20;
/* Checksum of an empty (zeroed) page */
-static unsigned int zero_checksum;
+static unsigned int zero_checksum __read_mostly;
/* Whether to merge empty (zeroed) pages with actual zero pages */
-static bool ksm_use_zero_pages;
+static bool ksm_use_zero_pages __read_mostly;
#ifdef CONFIG_NUMA
/* Zeroed when merging across nodes is not allowed */
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
mm-respect-foll_force-foll_cow-for-thp-checkpatch-fixes.patch
proc-add-a-schedule-point-in-proc_pid_readdir-fix.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
dax-enable-iostat-for-read-write-fix.patch
ocfs2-old-mle-put-and-release-after-the-function-dlm_add_migration_mle-called-fix.patch
ocfs2-dlm-optimization-of-code-while-free-dead-node-locks-checkpatch-fixes.patch
kernel-watchdog-prevent-false-hardlockup-on-overloaded-system-fix.patch
mm.patch
mm-throttle-show_mem-from-warn_alloc-fix.patch
userfaultfd-hugetlbfs-fix-__mcopy_atomic_hugetlb-retry-error-processing-fix-fix.patch
lib-show_memc-teach-show_mem-to-work-with-the-given-nodemask-checkpatch-fixes.patch
mm-ksm-improve-deduplication-of-zero-pages-with-colouring-fix.patch
linux-kernelh-fix-div_round_closest-to-support-negative-divisors-fix.patch
linux-next-rejects.patch
reimplement-idr-and-ida-using-the-radix-tree-support-storing-null-in-the-idr-checkpatch-fixes.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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