[gentoo-commits] proj/linux-patches:4.1 commit in: /

["Mike Pagano" <mpagano@gentoo.org>]

commit:     73336b381c437fb71c4316d2cffcae360c2fe541
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Jul 15 14:19:00 2016 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Jul 15 14:19:00 2016 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=73336b38

Revert commit 8f182270dfec mm/swap.c: flush lru pvecs on compound page arrival to fix OOM error.

 0000_README                                 |  4 ++++
 1800_fix-lru-cache-add-oom-regression.patch | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/0000_README b/0000_README
index 24c0a3c..88ef9f3 100644
--- a/0000_README
+++ b/0000_README
@@ -163,6 +163,10 @@ Patch:  1510_fs-enable-link-security-restrictions-by-default.patch
 From:   http://sources.debian.net/src/linux/3.16.7-ckt4-3/debian/patches/debian/fs-enable-link-security-restrictions-by-default.patch/
 Desc:   Enable link security restrictions by default.
 
+Patch:  1800_fix-lru-cache-add-oom-regression.patch
+From:   http://thread.gmane.org/gmane.linux.kernel.stable/184384
+Desc:   Revert commit 8f182270dfec mm/swap.c: flush lru pvecs on compound page arrival to fix OOM error.
+
 Patch:  2700_ThinkPad-30-brightness-control-fix.patch
 From:   Seth Forshee <seth.forshee@canonical.com>
 Desc:   ACPI: Disable Windows 8 compatibility for some Lenovo ThinkPads.

diff --git a/1800_fix-lru-cache-add-oom-regression.patch b/1800_fix-lru-cache-add-oom-regression.patch
new file mode 100644
index 0000000..f1ca64b
--- /dev/null
+++ b/1800_fix-lru-cache-add-oom-regression.patch
@@ -0,0 +1,17 @@
+Revert commit 8f182270dfec mm/swap.c: flush lru pvecs on compound page arrival to fix OOM error.
+
+Signed-off-by: Steven Rostedt <rostedt <at> goodmis.org>
+---
+diff --git a/mm/swap.c b/mm/swap.c
+index b523f0a4cbfb..ab3b9c2dd783 100644
+--- a/mm/swap.c
++++ b/mm/swap.c
+ <at>  <at>  -631,7 +631,7  <at>  <at>  static void __lru_cache_add(struct page *page)
+    struct pagevec *pvec = &get_cpu_var(lru_add_pvec);
+
+    page_cache_get(page);
+-   if (!pagevec_space(pvec) || PageCompound(page))
++   if (!pagevec_add(pvec, page) || PageCompound(page))
+        __pagevec_lru_add(pvec);
+    put_cpu_var(lru_add_pvec);
+ }