The patch titled
mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix-2
has been added to the -mm tree. Its filename is
mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix-2.patch
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------------------------------------------------------
Subject: mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix-2
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
up_write() can be called without down_write() in error path.
fix it.
Reported-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/mempolicy.c~mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix-2 mm/mempolicy.c
--- a/mm/mempolicy.c~mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix-2
+++ a/mm/mempolicy.c
@@ -1033,12 +1033,13 @@ static long do_mbind(unsigned long start
task_lock(current);
err = mpol_set_nodemask(new, nmask, scratch);
task_unlock(current);
+ if (err)
+ up_write(&mm->mmap_sem);
} else
err = -ENOMEM;
NODEMASK_SCRATCH_FREE(scratch);
}
if (err) {
- up_write(&mm->mmap_sem);
mpol_put(new);
return err;
}
_
Patches currently in -mm which might be from kamezawa.hiroyu@xxxxxxxxxxxxxx are
mm-make-set_mempolicympol_interleav-n_high_memory-aware.patch
mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix.patch
mm-make-set_mempolicympol_interleav-n_high_memory-aware-fix-2.patch
mm-clean-up-page_remove_rmap.patch
vmscan-throttle-direct-reclaim-when-too-many-pages-are-isolated-already.patch
mm-remove-__addsub_zone_page_state.patch
vmscan-dont-attempt-to-reclaim-anon-page-in-lumpy-reclaim-when-no-swap-space-is-avilable.patch
ksm-add-mmu_notifier-set_pte_at_notify.patch
ksm-first-tidy-up-madvise_vma.patch
ksm-define-madv_mergeable-and-madv_unmergeable.patch
ksm-the-mm-interface-to-ksm.patch
ksm-no-debug-in-page_dup_rmap.patch
ksm-identify-pageksm-pages.patch
ksm-kernel-samepage-merging.patch
ksm-prevent-mremap-move-poisoning.patch
ksm-change-copyright-message.patch
ksm-change-ksm-nice-level-to-be-5.patch
mm-introduce-proc-pid-oom_adj_child.patch
vmalloc-unmap-vmalloc-area-after-hiding-it.patch
kcore-fix-vread-vwrite-to-be-aware-of-holes.patch
kcore-proc-kcore-should-use-vread.patch
kcore-fix-proc-kcores-statst_size.patch
cgroups-support-named-cgroups-hierarchies.patch
cgroups-move-the-cgroup-debug-subsys-into-cgroupc-to-access-internal-state.patch
cgroups-add-a-back-pointer-from-struct-cg_cgroup_link-to-struct-cgroup.patch
cgroups-allow-cgroup-hierarchies-to-be-created-with-no-bound-subsystems.patch
memcg-remove-the-overhead-associated-with-the-root-cgroup.patch
memcg-remove-the-overhead-associated-with-the-root-cgroup-fix.patch
memcg-remove-the-overhead-associated-with-the-root-cgroup-fix-2.patch
memcg-add-comments-explaining-memory-barriers.patch
memcg-add-comments-explaining-memory-barriers-checkpatch-fixes.patch
memory-controller-soft-limit-documentation-v9.patch
memory-controller-soft-limit-interface-v9.patch
memory-controller-soft-limit-organize-cgroups-v9.patch
memory-controller-soft-limit-organize-cgroups-v9-fix.patch
memory-controller-soft-limit-refactor-reclaim-flags-v9.patch
memory-controller-soft-limit-reclaim-on-contention-v9.patch
memory-controller-soft-limit-reclaim-on-contention-v9-fix.patch
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