From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: davej@codemonkey.org.uk, tony.luck@intel.com,
linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
bob.picco@hp.com, ak@suse.de, linux-mm@kvack.org
Subject: Re: [PATCH 0/7] [RFC] Sizing zones and holes in an architecture independent manner V4
Date: Tue, 25 Apr 2006 10:48:55 +0900 [thread overview]
Message-ID: <20060425104855.42c6ca62.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20060424202009.20409.89016.sendpatchset@skynet>
On Mon, 24 Apr 2006 21:20:09 +0100 (IST)
Mel Gorman <mel@csn.ul.ie> wrote:
> This is V4 of the patchset to size zones and memory holes in an
> architecture-independent manner.
>
Could you add some documentation about 'how to use' your generic funcs ?
I think more archs can use your generic routine if well documented.
All initialization path can be written in following way ?
==
for_all_memory_region()
add_active_range(nid, start, end)
free_area_init_nodes(max_dma, max_dma32, max_low_pfn, max_pfn);
==
And following functions are really needed ?
==
+extern void remove_all_active_ranges(void);
+extern void get_pfn_range_for_nid(unsigned int nid,
+ unsigned long *start_pfn, unsigned long *end_pfn);
+extern unsigned long find_min_pfn_with_active_regions(void);
+extern unsigned long find_max_pfn_with_active_regions(void);
+extern int early_pfn_to_nid(unsigned long pfn);
+extern void free_bootmem_with_active_regions(int nid,
+ unsigned long max_low_pfn);
+extern void sparse_memory_present_with_active_regions(int nid);
+extern unsigned long absent_pages_in_range(unsigned long start_pfn,
+ unsigned long end_pfn);
-Kame
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next prev parent reply other threads:[~2006-04-25 1:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-24 20:20 Mel Gorman
2006-04-24 20:20 ` [PATCH 1/7] Introduce mechanism for registering active regions of memory Mel Gorman
2006-04-24 20:20 ` [PATCH 2/7] Have Power use add_active_range() and free_area_init_nodes() Mel Gorman
2006-04-24 20:21 ` [PATCH 3/7] Have x86 use add_active_range() and free_area_init_nodes Mel Gorman
2006-04-24 20:21 ` [PATCH 4/7] Have x86_64 " Mel Gorman
2006-04-24 20:21 ` [PATCH 5/7] Have ia64 " Mel Gorman
2006-04-24 20:22 ` [PATCH 6/7] Break out memory initialisation code from page_alloc.c to mem_init.c Mel Gorman
2006-04-24 20:22 ` [PATCH 7/7] Print out debugging information during initialisation Mel Gorman
2006-04-25 1:48 ` KAMEZAWA Hiroyuki [this message]
2006-04-25 9:05 ` [PATCH 0/7] [RFC] Sizing zones and holes in an architecture independent manner V4 Mel Gorman
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