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From: Jiang Liu <liuj97@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiang Liu <jiang.liu@huawei.com>,
	David Rientjes <rientjes@google.com>,
	Wen Congyang <wency@cn.fujitsu.com>, Mel Gorman <mgorman@suse.de>,
	Minchan Kim <minchan@kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Michal Hocko <mhocko@suse.cz>,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	David Howells <dhowells@redhat.com>,
	Mark Salter <msalter@redhat.com>,
	Jianguo Wu <wujianguo@huawei.com>,
	linux-mm@kvack.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-m68k@lists.linux-m68k.org
Subject: [PATCH v5, part4 24/41] mm/m68k: prepare for removing num_physpages and simplify mem_init()
Date: Wed,  8 May 2013 23:51:21 +0800	[thread overview]
Message-ID: <1368028298-7401-25-git-send-email-jiang.liu@huawei.com> (raw)
In-Reply-To: <1368028298-7401-1-git-send-email-jiang.liu@huawei.com>

Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-kernel@vger.kernel.org
---
 arch/m68k/mm/init.c |   31 ++-----------------------------
 1 file changed, 2 insertions(+), 29 deletions(-)

diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 2485a8c..0723141 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -149,33 +149,11 @@ void __init print_memmap(void)
 void __init mem_init(void)
 {
 	pg_data_t *pgdat;
-	int codepages = 0;
-	int datapages = 0;
-	int initpages = 0;
 	int i;
 
 	/* this will put all memory onto the freelists */
-	num_physpages = 0;
-	for_each_online_pgdat(pgdat) {
-		num_physpages += pgdat->node_present_pages;
-
+	for_each_online_pgdat(pgdat)
 		free_all_bootmem_node(pgdat);
-		for (i = 0; i < pgdat->node_spanned_pages; i++) {
-			struct page *page = pgdat->node_mem_map + i;
-			char *addr = page_to_virt(page);
-
-			if (!PageReserved(page))
-				continue;
-			if (addr >= _text &&
-			    addr < _etext)
-				codepages++;
-			else if (addr >= __init_begin &&
-				 addr < __init_end)
-				initpages++;
-			else
-				datapages++;
-		}
-	}
 
 #if defined(CONFIG_MMU) && !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
 	/* insert pointer tables allocated so far into the tablelist */
@@ -190,12 +168,7 @@ void __init mem_init(void)
 		init_pointer_table((unsigned long)zero_pgtable);
 #endif
 
-	pr_info("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init)\n",
-	       nr_free_pages() << (PAGE_SHIFT-10),
-	       totalram_pages << (PAGE_SHIFT-10),
-	       codepages << (PAGE_SHIFT-10),
-	       datapages << (PAGE_SHIFT-10),
-	       initpages << (PAGE_SHIFT-10));
+	mem_init_print_info(NULL);
 	print_memmap();
 }
 
-- 
1.7.9.5

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WARNING: multiple messages have this Message-ID (diff)
From: Jiang Liu <liuj97@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiang Liu <jiang.liu@huawei.com>,
	David Rientjes <rientjes@google.com>,
	Wen Congyang <wency@cn.fujitsu.com>, Mel Gorman <mgorman@suse.de>,
	Minchan Kim <minchan@kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Michal Hocko <mhocko@suse.cz>,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	David Howells <dhowells@redhat.com>,
	Mark Salter <msalter@redhat.com>,
	Jianguo Wu <wujianguo@huawei.com>,
	linux-mm@kvack.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-m68k@lists.linux-m68k.org
Subject: [PATCH v5, part4 24/41] mm/m68k: prepare for removing num_physpages and simplify mem_init()
Date: Wed,  8 May 2013 23:51:21 +0800	[thread overview]
Message-ID: <1368028298-7401-25-git-send-email-jiang.liu@huawei.com> (raw)
Message-ID: <20130508155121.H8E3QH771rOnd_i0wpU6T6syxBPQ3bBRxSlSbbTnuIw@z> (raw)
In-Reply-To: <1368028298-7401-1-git-send-email-jiang.liu@huawei.com>

Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-kernel@vger.kernel.org
---
 arch/m68k/mm/init.c |   31 ++-----------------------------
 1 file changed, 2 insertions(+), 29 deletions(-)

diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 2485a8c..0723141 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -149,33 +149,11 @@ void __init print_memmap(void)
 void __init mem_init(void)
 {
 	pg_data_t *pgdat;
-	int codepages = 0;
-	int datapages = 0;
-	int initpages = 0;
 	int i;
 
 	/* this will put all memory onto the freelists */
-	num_physpages = 0;
-	for_each_online_pgdat(pgdat) {
-		num_physpages += pgdat->node_present_pages;
-
+	for_each_online_pgdat(pgdat)
 		free_all_bootmem_node(pgdat);
-		for (i = 0; i < pgdat->node_spanned_pages; i++) {
-			struct page *page = pgdat->node_mem_map + i;
-			char *addr = page_to_virt(page);
-
-			if (!PageReserved(page))
-				continue;
-			if (addr >= _text &&
-			    addr < _etext)
-				codepages++;
-			else if (addr >= __init_begin &&
-				 addr < __init_end)
-				initpages++;
-			else
-				datapages++;
-		}
-	}
 
 #if defined(CONFIG_MMU) && !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
 	/* insert pointer tables allocated so far into the tablelist */
@@ -190,12 +168,7 @@ void __init mem_init(void)
 		init_pointer_table((unsigned long)zero_pgtable);
 #endif
 
-	pr_info("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init)\n",
-	       nr_free_pages() << (PAGE_SHIFT-10),
-	       totalram_pages << (PAGE_SHIFT-10),
-	       codepages << (PAGE_SHIFT-10),
-	       datapages << (PAGE_SHIFT-10),
-	       initpages << (PAGE_SHIFT-10));
+	mem_init_print_info(NULL);
 	print_memmap();
 }
 
-- 
1.7.9.5


  parent reply	other threads:[~2013-05-08 15:51 UTC|newest]

Thread overview: 103+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-08 15:50 [PATCH v5, part4 00/41] Simplify mem_init() implementations and kill num_physpages Jiang Liu
2013-05-08 15:50 ` Jiang Liu
2013-05-08 15:50 ` [PATCH v5, part4 01/41] vmlinux.lds: add comments for global variables and clean up useless declarations Jiang Liu
2013-05-08 15:50   ` Jiang Liu
2013-05-08 15:50 ` [PATCH v5, part4 02/41] avr32: normalize global variables exported by vmlinux.lds Jiang Liu
2013-05-08 15:50   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 03/41] c6x: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 04/41] h8300: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 05/41] score: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 06/41] tile: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 07/41] UML: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 08/41] mm: introduce helper function mem_init_print_info() to simplify mem_init() Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 09/41] mm: use totalram_pages instead of num_physpages at runtime Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 10/41] mm/hotplug: prepare for removing num_physpages Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 11/41] mm/alpha: prepare for removing num_physpages and simplify mem_init() Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 12/41] mm/ARC: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-29  8:41   ` Vineet Gupta
2013-05-29  8:41     ` Vineet Gupta
2013-05-29 13:05     ` Liu Jiang
2013-05-29 13:05       ` Liu Jiang
2013-05-08 15:51 ` [PATCH v5, part4 13/41] mm/ARM: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 14/41] mm/ARM64: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 15/41] mm/AVR32: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 16/41] mm/blackfin: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-25 13:25   ` Sonic Zhang
2013-05-25 13:25     ` Sonic Zhang
2013-05-26 13:55     ` Liu Jiang
2013-05-26 13:55       ` Liu Jiang
2013-05-08 15:51 ` [PATCH v5, part4 17/41] mm/c6x: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 18/41] mm/cris: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 19/41] mm/frv: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 20/41] mm/h8300: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 16:26   ` Sergei Shtylyov
2013-05-08 19:29     ` Sergei Shtylyov
2013-05-08 19:29       ` Sergei Shtylyov
2013-05-08 23:35       ` Cody P Schafer
2013-05-12 15:17         ` Liu Jiang
2013-05-12 15:17           ` Liu Jiang
2013-05-08 15:51 ` [PATCH v5, part4 21/41] mm/hexagon: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 22/41] mm/IA64: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 23/41] mm/m32r: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` Jiang Liu [this message]
2013-05-08 15:51   ` [PATCH v5, part4 24/41] mm/m68k: " Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 25/41] mm/metag: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 26/41] mm/microblaze: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 27/41] mm/MIPS: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 28/41] mm/mn10300: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 29/41] mm/openrisc: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 30/41] mm/PARISC: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 31/41] mm/ppc: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-15  0:32   ` Benjamin Herrenschmidt
2013-05-15  0:32     ` Benjamin Herrenschmidt
2013-05-15 15:49     ` Liu Jiang
2013-05-15 15:49       ` Liu Jiang
2013-05-08 15:51 ` [PATCH v5, part4 32/41] mm/s390: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 33/41] mm/score: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 34/41] mm/SH: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 35/41] mm/SPARC: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 19:02   ` Sam Ravnborg
2013-05-08 15:51 ` [PATCH v5, part4 36/41] mm/tile: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 37/41] mm/um: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 38/41] mm/unicore32: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 39/41] mm/x86: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 40/41] mm/xtensa: " Jiang Liu
2013-05-08 15:51   ` Jiang Liu
2013-05-08 15:51 ` [PATCH v5, part4 41/41] mm: kill global variable num_physpages Jiang Liu
2013-05-08 15:51   ` Jiang Liu

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