From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-mm@kvack.org, clameter@engr.sgi.com, apw@shadowen.org
Subject: Re: [RFC][PATCH] vmemmap on sparsemem v2 [1/5] generic vmemmap on sparsemem
Date: Fri, 8 Dec 2006 12:06:07 +0900 [thread overview]
Message-ID: <20061208120607.0e3a625f.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20061205214902.b8454d67.kamezawa.hiroyu@jp.fujitsu.com>
On Tue, 5 Dec 2006 21:49:02 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
>
> +#ifdef CONFIG_SPARSEMEM_VMEMMAP
> +/*
> + * sparse_vmem_map_start is defined by each arch.
> + * vmem_map is declared by each arch.
> + */
> +static inline struct page *__section_mem_map_addr(struct mem_section *section)
> +{
> + return vmem_map;
> +}
> +#else
I confirmed that this style add one memory access (ld). I'll go back to
#define pfn_to_page(pfn) (mem_map + pfn)
style.
Thanks,
-Kame
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next prev parent reply other threads:[~2006-12-08 3:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-05 12:45 [RFC][PATCH] vmemmap on sparsemem v2 KAMEZAWA Hiroyuki
2006-12-05 12:49 ` [RFC][PATCH] vmemmap on sparsemem v2 [1/5] generic vmemmap on sparsemem KAMEZAWA Hiroyuki
2006-12-06 18:13 ` Heiko Carstens
2006-12-06 18:17 ` Christoph Lameter
2006-12-07 0:20 ` KAMEZAWA Hiroyuki
2006-12-07 0:20 ` Christoph Lameter
2006-12-07 10:11 ` Heiko Carstens
2006-12-07 10:50 ` KAMEZAWA Hiroyuki
2006-12-07 10:06 ` Heiko Carstens
2006-12-07 10:17 ` KAMEZAWA Hiroyuki
2006-12-08 3:06 ` KAMEZAWA Hiroyuki [this message]
2006-12-05 12:53 ` [RFC][PATCH] vmemmap on sparsemem v2 [2/5] memory hotplug support KAMEZAWA Hiroyuki
2006-12-05 12:59 ` [RFC][PATCH] vmemmap on sparsemem v2 [3/5] ia64 vmemamp on sparsemem KAMEZAWA Hiroyuki
2006-12-08 1:09 ` KAMEZAWA Hiroyuki
2006-12-05 13:09 ` [RFC][PATCH] vmemmap on sparsemem v2 [4/5] optimized pfn_valid KAMEZAWA Hiroyuki
2006-12-05 13:10 ` [RFC][PATCH] vmemmap on sparsemem v2 [5/5] optimzied pfn_valid support for ia64 KAMEZAWA Hiroyuki
2006-12-10 13:37 ` [RFC][PATCH] vmemmap on sparsemem v2 Andy Whitcroft
2006-12-10 15:19 ` Heiko Carstens
2006-12-11 1:09 ` KAMEZAWA Hiroyuki
2006-12-11 17:23 ` Christoph Lameter
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