The patch titled
Subject: mempolicy-convert-the-shared_policy-lock-to-a-rwlock-fix-2
has been removed from the -mm tree. Its filename was
mempolicy-convert-the-shared_policy-lock-to-a-rwlock-fix-2.patch
This patch was dropped because it was folded into mempolicy-convert-the-shared_policy-lock-to-a-rwlock.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mempolicy-convert-the-shared_policy-lock-to-a-rwlock-fix-2
tidy up code comments
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Nadia Yvette Chambers <nyc@xxxxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Nathan Zimmer <nzimmer@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff -puN mm/mempolicy.c~mempolicy-convert-the-shared_policy-lock-to-a-rwlock-fix-2 mm/mempolicy.c
--- a/mm/mempolicy.c~mempolicy-convert-the-shared_policy-lock-to-a-rwlock-fix-2
+++ a/mm/mempolicy.c
@@ -2146,8 +2146,10 @@ bool __mpol_equal(struct mempolicy *a, s
* for any accesses to the tree.
*/
-/* lookup first element intersecting start-end */
-/* Caller holds sp->lock */
+/*
+ * lookup first element intersecting start-end. Caller holds sp->lock for
+ * reading or for writing
+ */
static struct sp_node *
sp_lookup(struct shared_policy *sp, unsigned long start, unsigned long end)
{
@@ -2178,8 +2180,10 @@ sp_lookup(struct shared_policy *sp, unsi
return rb_entry(n, struct sp_node, nd);
}
-/* Insert a new shared policy into the list. */
-/* Caller holds the write of sp->lock */
+/*
+ * Insert a new shared policy into the list. Caller holds sp->lock for
+ * writing.
+ */
static void sp_insert(struct shared_policy *sp, struct sp_node *new)
{
struct rb_node **p = &sp->root.rb_node;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
include-linux-dcacheh-remove-semicolons-from-hash_len_declare.patch
mempolicy-convert-the-shared_policy-lock-to-a-rwlock.patch
mm-zonelist-enumerate-zonelists-array-index-checkpatch-fixes.patch
mm-zonelist-enumerate-zonelists-array-index-fix.patch
mm-get-rid-of-__alloc_pages_high_priority-checkpatch-fixes.patch
mm-vmalloc-remove-vm_vpages-fix.patch
fs-block_devc-bdev_write_page-use-blk_queue_enter-gfp_noio.patch
arm64-mm-support-arch_mmap_rnd_bits-fix.patch
page-flags-define-pg_locked-behavior-on-compound-pages-fix.patch
mm-rework-mapcount-accounting-to-enable-4k-mapping-of-thps-fix.patch
mm-hwpoison-adjust-for-new-thp-refcounting-fix.patch
thp-reintroduce-split_huge_page-fix.patch
mm-prepare-page_referenced-and-page_idle-to-new-thp-refcounting-checkpatch-fixes.patch
thp-add-debugfs-handle-to-split-all-huge-pages-fix.patch
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