From: Paul Jackson <pj@sgi.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: linux-mm@kvack.org, akpm@osdl.org, kravetz@us.ibm.com,
linux-kernel@vger.kernel.org, jschopp@austin.ibm.com,
lhms-devel@lists.sourceforge.net
Subject: Re: [PATCH 1/7] Fragmentation Avoidance V16: 001_antidefrag_flags
Date: Thu, 6 Oct 2005 08:11:28 -0700 [thread overview]
Message-ID: <20051006081128.62c9ab1f.pj@sgi.com> (raw)
In-Reply-To: <20051005144552.11796.52857.sendpatchset@skynet.csn.ul.ie>
Mel wrote:
> +/* Allocation type modifiers, group together if possible */
Isn't that "if possible" bogus. I thought these two bits
_had_ to be grouped together, at least with the current code.
What happened to the comment that Joel added to gpl.h:
+/* Allocation type modifiers, these are required to be adjacent
+ * __GPF_USER: Allocation for user page or a buffer page
+ * __GFP_KERNRCLM: Short-lived or reclaimable kernel allocation
+ * Both bits off: Kernel non-reclaimable or very hard to reclaim
+ * RCLM_SHIFT (defined elsewhere) depends on the location of these bits
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
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next prev parent reply other threads:[~2005-10-06 15:11 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-05 14:45 [PATCH 0/7] Fragmentation Avoidance V16 Mel Gorman
2005-10-05 14:45 ` [PATCH 1/7] Fragmentation Avoidance V16: 001_antidefrag_flags Mel Gorman
2005-10-06 15:11 ` Paul Jackson [this message]
2005-10-06 15:15 ` Mel Gorman
2005-10-05 14:45 ` [PATCH 2/7] Fragmentation Avoidance V16: 002_usemap Mel Gorman
2005-10-05 23:38 ` David S. Miller, Mel Gorman
2005-10-06 15:12 ` Mel Gorman
2005-10-05 14:46 ` [PATCH 3/7] Fragmentation Avoidance V16: 003_fragcore Mel Gorman
2005-10-05 16:48 ` Dave Hansen
2005-10-05 16:57 ` Mel Gorman
2005-10-05 17:14 ` Mel Gorman
2005-10-05 17:22 ` Dave Hansen
2005-10-05 17:45 ` Mel Gorman
2005-10-05 17:51 ` Dave Hansen
2005-10-05 14:46 ` [PATCH 4/7] Fragmentation Avoidance V16: 004_largealloc_tryharder Mel Gorman
2005-10-05 14:46 ` [PATCH 5/7] Fragmentation Avoidance V16: 005_fallback Mel Gorman
2005-10-05 16:49 ` Dave Hansen
2005-10-05 17:11 ` Mel Gorman
2005-10-05 16:51 ` Dave Hansen
2005-10-05 17:16 ` Mel Gorman
2005-10-05 17:20 ` Dave Hansen
2005-10-05 17:32 ` Mel Gorman
2005-10-05 16:53 ` Dave Hansen
2005-10-05 17:20 ` Mel Gorman
2005-10-05 17:25 ` Dave Hansen
2005-10-05 14:46 ` [PATCH 6/7] Fragmentation Avoidance V16: 006_percpu Mel Gorman
2005-10-05 14:46 ` [PATCH 7/7] Fragmentation Avoidance V16: 007_stats Mel Gorman
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