Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761682AbYBYANA (ORCPT ); Sun, 24 Feb 2008 19:13:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757282AbYBYAKM (ORCPT ); Sun, 24 Feb 2008 19:10:12 -0500 Received: from smtp6.pp.htv.fi ([213.243.153.40]:46713 "EHLO smtp6.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758907AbYBYAKJ (ORCPT ); Sun, 24 Feb 2008 19:10:09 -0500 Date: Mon, 25 Feb 2008 02:09:13 +0200 From: Adrian Bunk To: linux-kernel@vger.kernel.org Subject: [2.6 patch] mm/page_alloc.c: cleanups Message-ID: <20080225000913.GN2088@cs181133002.pp.htv.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5690 Lines: 150 This patch contains the following cleanups: - make the following needlessly global variables static: - required_kernelcore - zone_movable_pfn[] - make the following needlessly global functions static: - move_freepages() - move_freepages_block() - setup_pageset() - find_usable_zone_for_movable() - adjust_zone_range_for_zone_movable() - __absent_pages_in_range() - find_min_pfn_for_node() - find_zone_movable_pfns_for_nodes() - #if 0 the following no longer used global function: - free_cold_page() Signed-off-by: Adrian Bunk --- include/linux/gfp.h | 1 - mm/page_alloc.c | 29 ++++++++++++++++------------- 2 files changed, 16 insertions(+), 14 deletions(-) cf9b9e8ae11df98bf68e5fd2f95fd8f8a429cea3 diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 164be9d..2b8148c 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -220,7 +220,6 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask); extern void __free_pages(struct page *page, unsigned int order); extern void free_pages(unsigned long addr, unsigned int order); extern void free_hot_page(struct page *page); -extern void free_cold_page(struct page *page); #define __free_page(page) __free_pages((page), 0) #define free_page(addr) free_pages((addr),0) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 75b9793..6710b45 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -151,9 +151,9 @@ static unsigned long __meminitdata dma_reserve; static unsigned long __meminitdata node_boundary_start_pfn[MAX_NUMNODES]; static unsigned long __meminitdata node_boundary_end_pfn[MAX_NUMNODES]; #endif /* CONFIG_MEMORY_HOTPLUG_RESERVE */ - unsigned long __initdata required_kernelcore; + static unsigned long __initdata required_kernelcore; static unsigned long __initdata required_movablecore; - unsigned long __meminitdata zone_movable_pfn[MAX_NUMNODES]; + static unsigned long __meminitdata zone_movable_pfn[MAX_NUMNODES]; /* movable_zone is the "real" zone pages in ZONE_MOVABLE are taken from */ int movable_zone; @@ -688,9 +688,9 @@ static int fallbacks[MIGRATE_TYPES][MIGRATE_TYPES-1] = { * Note that start_page and end_pages are not aligned on a pageblock * boundary. If alignment is required, use move_freepages_block() */ -int move_freepages(struct zone *zone, - struct page *start_page, struct page *end_page, - int migratetype) +static int move_freepages(struct zone *zone, + struct page *start_page, struct page *end_page, + int migratetype) { struct page *page; unsigned long order; @@ -729,7 +729,8 @@ int move_freepages(struct zone *zone, return pages_moved; } -int move_freepages_block(struct zone *zone, struct page *page, int migratetype) +static int move_freepages_block(struct zone *zone, struct page *page, + int migratetype) { unsigned long start_pfn, end_pfn; struct page *start_page, *end_page; @@ -1013,11 +1014,13 @@ void free_hot_page(struct page *page) { free_hot_cold_page(page, 0); } - + +#if 0 void free_cold_page(struct page *page) { free_hot_cold_page(page, 1); } +#endif /* 0 */ /* * split_page takes a non-compound higher-order page, and splits it into @@ -2597,7 +2600,7 @@ static int zone_batchsize(struct zone *zone) return batch; } -inline void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) +static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) { struct per_cpu_pages *pcp; @@ -3026,7 +3029,7 @@ void __meminit get_pfn_range_for_nid(unsigned int nid, * assumption is made that zones within a node are ordered in monotonic * increasing memory addresses so that the "highest" populated zone is used */ -void __init find_usable_zone_for_movable(void) +static void __init find_usable_zone_for_movable(void) { int zone_index; for (zone_index = MAX_NR_ZONES - 1; zone_index >= 0; zone_index--) { @@ -3052,7 +3055,7 @@ void __init find_usable_zone_for_movable(void) * highest usable zone for ZONE_MOVABLE. This preserves the assumption that * zones within a node are in order of monotonic increases memory addresses */ -void __meminit adjust_zone_range_for_zone_movable(int nid, +static void __meminit adjust_zone_range_for_zone_movable(int nid, unsigned long zone_type, unsigned long node_start_pfn, unsigned long node_end_pfn, @@ -3113,7 +3116,7 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, * Return the number of holes in a range on a node. If nid is MAX_NUMNODES, * then all holes in the requested range will be accounted for. */ -unsigned long __meminit __absent_pages_in_range(int nid, +static unsigned long __meminit __absent_pages_in_range(int nid, unsigned long range_start_pfn, unsigned long range_end_pfn) { @@ -3597,7 +3600,7 @@ static void __init sort_node_map(void) } /* Find the lowest pfn for a node */ -unsigned long __init find_min_pfn_for_node(unsigned long nid) +static unsigned long __init find_min_pfn_for_node(unsigned long nid) { int i; unsigned long min_pfn = ULONG_MAX; @@ -3669,7 +3672,7 @@ static unsigned long __init early_calculate_totalpages(void) * memory. When they don't, some nodes will have more kernelcore than * others */ -void __init find_zone_movable_pfns_for_nodes(unsigned long *movable_pfn) +static void __init find_zone_movable_pfns_for_nodes(unsigned long *movable_pfn) { int i, nid; unsigned long usable_startpfn; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/