From: Christoph Lameter <clameter@sgi.com>
Date: Sat, 22 Dec 2007 22:03:23 +0000 (-0800)
Subject: quicklists: do not release off node pages early
X-Git-Tag: v2.6.22.19~18
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=116b64c43df306c3770a52118effdd5d96f51fd5;p=thirdparty%2Fkernel%2Fstable.git

quicklists: do not release off node pages early

dhaval@linux.vnet.ibm.com, clameter@sgi.com
Message-ID: <200712222203.lBMM3Nsk021922@imap1.linux-foundation.org>


From: Christoph Lameter <clameter@sgi.com>

patch ed367fc3a7349b17354c7acef551533337764859 in mainline.

quicklists must keep even off node pages on the quicklists until the TLB
flush has been completed.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Oliver Pinter <oliver.pntr@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/include/linux/quicklist.h b/include/linux/quicklist.h
index 9371c6116df34..39b66713a0bba 100644
--- a/include/linux/quicklist.h
+++ b/include/linux/quicklist.h
@@ -56,14 +56,6 @@ static inline void __quicklist_free(int nr, void (*dtor)(void *), void *p,
 	struct page *page)
 {
 	struct quicklist *q;
-	int nid = page_to_nid(page);
-
-	if (unlikely(nid != numa_node_id())) {
-		if (dtor)
-			dtor(p);
-		__free_page(page);
-		return;
-	}
 
 	q = &get_cpu_var(quicklist)[nr];
 	*(void **)p = q->page;