Subject: [merged] mm-hugetlbfs-use-__compound_tail_refcounted-in-__get_page_tail-too.patch removed from -mm tree
To: aarcange@xxxxxxxxxx,andi@xxxxxxxxxxxxxx,bhutchings@xxxxxxxxxxxxxx,cl@xxxxxxxxx,gregkh@xxxxxxxxxxxxxxxxxxx,jweiner@xxxxxxxxxx,khalid.aziz@xxxxxxxxxx,mgorman@xxxxxxx,minchan@xxxxxxxxxx,pshelar@xxxxxxxxxx,riel@xxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 22 Jan 2014 12:12:26 -0800
The patch titled
Subject: mm: hugetlbfs: use __compound_tail_refcounted in __get_page_tail too
has been removed from the -mm tree. Its filename was
mm-hugetlbfs-use-__compound_tail_refcounted-in-__get_page_tail-too.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Subject: mm: hugetlbfs: use __compound_tail_refcounted in __get_page_tail too
Also remove hugetlb.h which isn't needed anymore as PageHeadHuge is
handled in mm.h.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Khalid Aziz <khalid.aziz@xxxxxxxxxx>
Cc: Pravin Shelar <pshelar@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Johannes Weiner <jweiner@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swap.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/swap.c~mm-hugetlbfs-use-__compound_tail_refcounted-in-__get_page_tail-too mm/swap.c
--- a/mm/swap.c~mm-hugetlbfs-use-__compound_tail_refcounted-in-__get_page_tail-too
+++ a/mm/swap.c
@@ -31,7 +31,6 @@
#include <linux/memcontrol.h>
#include <linux/gfp.h>
#include <linux/uio.h>
-#include <linux/hugetlb.h>
#include "internal.h"
@@ -261,7 +260,7 @@ bool __get_page_tail(struct page *page)
struct page *page_head = compound_trans_head(page);
/* Ref to put_compound_page() comment. */
- if (PageSlab(page_head) || PageHeadHuge(page_head)) {
+ if (!__compound_tail_refcounted(page_head)) {
smp_rmb();
if (likely(PageTail(page))) {
/*
_
Patches currently in -mm which might be from aarcange@xxxxxxxxxx are
origin.patch
mm-munlock-fix-potential-race-with-thp-page-split.patch
mm-fix-the-theoretical-compound_lock-vs-prep_new_page-race.patch
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