From: Mark Lord <liml@rtr.ca>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: James.Bottomley@HansenPartnership.com, jens.axboe@oracle.com,
lkml@rtr.ca, matthew@wil.cx, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-mm@kvack.org, mel@csn.ul.ie
Subject: [PATCH] fix page_alloc for larger I/O segments (improved)
Date: Thu, 13 Dec 2007 19:46:49 -0500 [thread overview]
Message-ID: <4761D279.6050500@rtr.ca> (raw)
In-Reply-To: <4761D160.7060603@rtr.ca>
"Improved version", more similar to the 2.6.23 code:
Fix page allocator to give better chance of larger contiguous segments (again).
Signed-off-by: Mark Lord <mlord@pobox.com
---
--- old/mm/page_alloc.c 2007-12-13 19:25:15.000000000 -0500
+++ linux-2.6/mm/page_alloc.c 2007-12-13 19:43:07.000000000 -0500
@@ -760,7 +760,7 @@
struct page *page = __rmqueue(zone, order, migratetype);
if (unlikely(page == NULL))
break;
- list_add(&page->lru, list);
+ list_add_tail(&page->lru, list);
set_page_private(page, migratetype);
}
spin_unlock(&zone->lock);
--
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next prev parent reply other threads:[~2007-12-14 0:46 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071213185326.GQ26334@parisc-linux.org>
[not found] ` <4761821F.3050602@rtr.ca>
[not found] ` <20071213192633.GD10104@kernel.dk>
[not found] ` <4761883A.7050908@rtr.ca>
[not found] ` <476188C4.9030802@rtr.ca>
[not found] ` <20071213193937.GG10104@kernel.dk>
[not found] ` <47618B0B.8020203@rtr.ca>
[not found] ` <20071213195350.GH10104@kernel.dk>
[not found] ` <20071213200219.GI10104@kernel.dk>
[not found] ` <476190BE.9010405@rtr.ca>
[not found] ` <20071213200958.GK10104@kernel.dk>
2007-12-13 22:02 ` QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Andrew Morton
2007-12-13 22:15 ` James Bottomley
2007-12-13 22:29 ` Andrew Morton
2007-12-13 22:33 ` Mark Lord
2007-12-13 23:13 ` Mark Lord
2007-12-14 0:05 ` Mark Lord
2007-12-14 0:30 ` Mark Lord
2007-12-14 0:37 ` Andrew Morton
2007-12-14 0:42 ` Mark Lord
2007-12-14 0:46 ` Mark Lord [this message]
2007-12-14 0:57 ` [PATCH] fix page_alloc for larger I/O segments (improved) James Bottomley
2007-12-14 1:11 ` Andrew Morton
2007-12-14 2:23 ` Mark Lord
2007-12-14 17:42 ` Mel Gorman
2007-12-14 18:07 ` Mark Lord
2007-12-16 21:56 ` Mel Gorman
2007-12-14 18:13 ` Matthew Wilcox
2007-12-14 18:30 ` Mark Lord
2007-12-20 22:37 ` Matthew Wilcox
2007-12-14 0:47 ` QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Mark Lord
2007-12-14 11:50 ` Mel Gorman
2007-12-14 13:57 ` Mark Lord
2007-12-14 0:40 ` [PATCH] fix page_alloc for larger I/O segments Mark Lord
2007-12-14 1:03 ` Andrew Morton
2007-12-14 4:00 ` Matthew Wilcox
2007-12-15 1:09 ` QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Mel Gorman
2007-12-15 2:02 ` Andrew Morton
2007-12-15 5:55 ` Matt Mackall
2007-12-16 21:55 ` Mel Gorman
2007-12-17 19:24 ` Randy Dunlap
2007-12-18 2:42 ` Matt Mackall
2007-12-13 22:17 ` Jens Axboe
2007-12-13 22:02 ` VM allocates pages in reverse order again Matthew Wilcox
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