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From: Jiang Liu <liuj97@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	David Rientjes <rientjes@google.com>
Cc: Jiang Liu <jiang.liu@huawei.com>,
	Wen Congyang <wency@cn.fujitsu.com>,
	Maciej Rutecki <maciej.rutecki@gmail.com>,
	Chris Clayton <chris2553@googlemail.com>,
	"Rafael J . Wysocki" <rjw@sisk.pl>, Mel Gorman <mgorman@suse.de>,
	Minchan Kim <minchan@kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Michal Hocko <mhocko@suse.cz>, Jianguo Wu <wujianguo@huawei.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>
Subject: [RFC PATCH v1 10/33] mm/IA64: use common help functions to free reserved pages
Date: Tue,  5 Mar 2013 22:54:53 +0800	[thread overview]
Message-ID: <1362495317-32682-11-git-send-email-jiang.liu@huawei.com> (raw)
In-Reply-To: <1362495317-32682-1-git-send-email-jiang.liu@huawei.com>

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
---
 arch/ia64/mm/init.c |   23 ++++-------------------
 1 file changed, 4 insertions(+), 19 deletions(-)

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 20bc967..d1fe4b4 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -154,25 +154,14 @@ ia64_init_addr_space (void)
 void
 free_initmem (void)
 {
-	unsigned long addr, eaddr;
-
-	addr = (unsigned long) ia64_imva(__init_begin);
-	eaddr = (unsigned long) ia64_imva(__init_end);
-	while (addr < eaddr) {
-		ClearPageReserved(virt_to_page(addr));
-		init_page_count(virt_to_page(addr));
-		free_page(addr);
-		++totalram_pages;
-		addr += PAGE_SIZE;
-	}
-	printk(KERN_INFO "Freeing unused kernel memory: %ldkB freed\n",
-	       (__init_end - __init_begin) >> 10);
+	free_reserved_area((unsigned long)ia64_imva(__init_begin),
+			   (unsigned long)ia64_imva(__init_end),
+			   0, "unused kernel");
 }
 
 void __init
 free_initrd_mem (unsigned long start, unsigned long end)
 {
-	struct page *page;
 	/*
 	 * EFI uses 4KB pages while the kernel can use 4KB or bigger.
 	 * Thus EFI and the kernel may have different page sizes. It is
@@ -213,11 +202,7 @@ free_initrd_mem (unsigned long start, unsigned long end)
 	for (; start < end; start += PAGE_SIZE) {
 		if (!virt_addr_valid(start))
 			continue;
-		page = virt_to_page(start);
-		ClearPageReserved(page);
-		init_page_count(page);
-		free_page(start);
-		++totalram_pages;
+		free_reserved_page(virt_to_page(start));
 	}
 }
 
-- 
1.7.9.5

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  parent reply	other threads:[~2013-03-05 14:59 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-05 14:54 [RFC PATCH v1 00/33] accurately calculate pages managed by buddy system Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 01/33] mm: introduce common help functions to deal with reserved/managed pages Jiang Liu
2013-03-05 19:47   ` Sam Ravnborg
2013-03-06 17:21     ` Russell King - ARM Linux
2013-03-09  2:17     ` Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 02/33] mm/alpha: use common help functions to free reserved pages Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 03/33] mm/ARM: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 04/33] mm/avr32: " Jiang Liu
2013-03-05 16:50   ` Hans-Christian Egtvedt
2013-03-05 14:54 ` [RFC PATCH v1 05/33] mm/blackfin: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 06/33] mm/c6x: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 07/33] mm/cris: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 08/33] mm/FRV: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 09/33] mm/h8300: " Jiang Liu
2013-03-05 14:54 ` Jiang Liu [this message]
2013-03-05 14:54 ` [RFC PATCH v1 11/33] mm/m32r: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 12/33] mm/m68k: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 13/33] mm/microblaze: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 14/33] mm/MIPS: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 15/33] mm/mn10300: " Jiang Liu
2013-03-05 14:54 ` [RFC PATCH v1 16/33] mm/openrisc: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 17/33] mm/parisc: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 18/33] mm/ppc: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 19/33] mm/s390: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 20/33] mm/score: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 21/33] mm/SH: " Jiang Liu
2013-03-06  2:21   ` Paul Mundt
2013-03-05 14:55 ` [RFC PATCH v1 22/33] mm/SPARC: " Jiang Liu
2013-03-05 19:49   ` David Miller
2013-03-05 19:58   ` Sam Ravnborg
2013-03-05 22:57     ` Sam Ravnborg
2013-03-06 15:56     ` Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 23/33] mm/um: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 24/33] mm/unicore32: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 25/33] mm/x86: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 26/33] mm/xtensa: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 27/33] mm,kexec: " Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 28/33] mm: introduce free_highmem_page() helper to free highmem pages inti buddy system Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 29/33] mm: accurately calculate zone->managed_pages for highmem zones Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 30/33] mm: use a dedicated lock to protect totalram_pages and zone->managed_pages Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 31/33] mm: avoid using __free_pages_bootmem() at runtime Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 32/33] mm: correctly update zone->mamaged_pages Jiang Liu
2013-03-05 14:55 ` [RFC PATCH v1 33/33] mm: report available pages as "MemTotal" for each NUMA node Jiang Liu

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