The patch titled
mm-thp-optimize-memcg-charge-in-khugepaged-fix
has been removed from the -mm tree. Its filename was
mm-thp-optimize-memcg-charge-in-khugepaged-fix.patch
This patch was dropped because it was folded into mm-thp-optimize-memcg-charge-in-khugepaged.patch
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm-thp-optimize-memcg-charge-in-khugepaged-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN mm/huge_memory.c~mm-thp-optimize-memcg-charge-in-khugepaged-fix mm/huge_memory.c
--- a/mm/huge_memory.c~mm-thp-optimize-memcg-charge-in-khugepaged-fix
+++ a/mm/huge_memory.c
@@ -1788,7 +1788,11 @@ static void collapse_huge_page(struct mm
*/
new_page = alloc_hugepage_vma(khugepaged_defrag(), vma, address,
node, __GFP_OTHER_NODE);
- /* after allocating the hugepage upgrade to mmap_sem write mode */
+
+ /*
+ * After allocating the hugepage, release the mmap_sem read lock in
+ * preparation for taking it in write mode.
+ */
up_read(&mm->mmap_sem);
if (unlikely(!new_page)) {
count_vm_event(THP_COLLAPSE_ALLOC_FAILED);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
drivers-video-backlight-adp5520_blc-check-strict_strtoul-return-value.patch
mm-nommu-sort-mm-mmap-list-properly.patch
mm-per-node-vmstat-show-proper-vmstats.patch
mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur.patch
mm-mmu_gather-rework.patch
mm-uninline-large-generic-tlbh-functions.patch
mm-thp-optimize-memcg-charge-in-khugepaged.patch
mm-convert-mm-cpu_vm_cpumask-into-cpumask_var_t-fix.patch
mm-convert-mm-cpu_vm_cpumask-into-cpumask_var_t-checkpatch-fixes.patch
vmscan-change-shrink_slab-interfaces-by-passing-shrink_control-fix.patch
vmscan-change-shrink_slab-interfaces-by-passing-shrink_control-fix-2.patch
vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix.patch
vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix-2.patch
vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix-4-fix.patch
vmscan-change-shrinker-api-by-passing-shrink_control-struct-fix-4-fix-fix.patch
mm-filter-unevictable-page-out-in-deactivate_page-fix.patch
mm-filter-unevictable-page-out-in-deactivate_page-fix-fix.patch
nommu-add-page-alignment-to-mmap-checkpatch-fixes.patch
alpha-hook-up-gpiolib-support-fix.patch
cris-convert-old-cpumask-api-into-new-one-checkpatch-fixes.patch
bitmap-irq-add-smp_affinity_list-interface-to-proc-irq-fix.patch
init-calibratec-fix-for-critical-bogomips-intermittent-calculation-failure-checkpatch-fixes.patch
init-calibratec-fix-for-critical-bogomips-intermittent-calculation-failure-fix.patch
printk-allocate-kernel-log-buffer-earlier-v2-checkpatch-fixes.patch
printk-allocate-kernel-log-buffer-earlier-v2-fix.patch
drivers-leds-leds-lm3530c-add-regulator-checkpatch-fixes.patch
leds-provide-helper-to-register-leds-gpio-devices.patch
lru_cache-use-correct-type-in-sizeof-for-allocation-fix.patch
percpu_counter-change-return-value-and-add-comments-fix.patch
fs-ncpfs-inodec-suppress-used-uninitialised-warning.patch
drivers-gpio-vx855_gpioc-needs-slabh.patch
drivers-gpio-ml_ioh_gpioc-needs-slabh.patch
drivers-tty-serial-pch_uartc-needs-slabh.patch
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