linux-kernel - [PATCH 18/23] ia64: Use HAVE_MEMBLOCK_NODE

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Message-Id: <1322508685-32532-19-git-send-email-tj@kernel.org>
Date:	Mon, 28 Nov 2011 11:31:20 -0800
From:	Tejun Heo <tj@...nel.org>
To:	benh@...nel.crashing.org, yinghai@...nel.org, hpa@...or.com,
	tony.luck@...el.com, ralf@...ux-mips.org, schwidefsky@...ibm.com,
	liqin.chen@...plusct.com, lethal@...ux-sh.org, davem@...emloft.net,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	mingo@...hat.com, jonas@...thpole.se, lennox.wu@...il.com
Cc:	Tejun Heo <tj@...nel.org>, Fenghua Yu <fenghua.yu@...el.com>,
	linux-ia64@...r.kernel.org
Subject: [PATCH 18/23] ia64: Use HAVE_MEMBLOCK_NODE_MAP

ia64 used early_node_map[] just to prime free_area_init_nodes().  Now
memblock can be used for the same purpose and early_node_map[] is
scheduled to be dropped.  Use memblock instead.

Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: linux-ia64@...r.kernel.org
---
 arch/ia64/Kconfig     |    3 +++
 arch/ia64/mm/contig.c |    3 ++-
 arch/ia64/mm/init.c   |    4 ++--
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 27489b6..e2c7de0 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -23,6 +23,9 @@ config IA64
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_GENERIC_HARDIRQS
+	select HAVE_MEMBLOCK
+	select HAVE_MEMBLOCK_NODE_MAP
+	select ARCH_DISCARD_MEMBLOCK
 	select GENERIC_IRQ_PROBE
 	select GENERIC_PENDING_IRQ if SMP
 	select IRQ_PER_CPU
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index f114a3b..1516d1d 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -16,6 +16,7 @@
  */
 #include <linux/bootmem.h>
 #include <linux/efi.h>
+#include <linux/memblock.h>
 #include <linux/mm.h>
 #include <linux/nmi.h>
 #include <linux/swap.h>
@@ -348,7 +349,7 @@ paging_init (void)
 		printk("Virtual mem_map starts at 0x%p\n", mem_map);
 	}
 #else /* !CONFIG_VIRTUAL_MEM_MAP */
-	add_active_range(0, 0, max_low_pfn);
+	memblock_add_node(0, PFN_PHYS(max_low_pfn), 0);
 	free_area_init_nodes(max_zone_pfns);
 #endif /* !CONFIG_VIRTUAL_MEM_MAP */
 	zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 00cb0e2..13df239d 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -10,6 +10,7 @@
 #include <linux/bootmem.h>
 #include <linux/efi.h>
 #include <linux/elf.h>
+#include <linux/memblock.h>
 #include <linux/mm.h>
 #include <linux/mmzone.h>
 #include <linux/module.h>
@@ -557,8 +558,7 @@ int __init register_active_ranges(u64 start, u64 len, int nid)
 #endif
 
 	if (start < end)
-		add_active_range(nid, __pa(start) >> PAGE_SHIFT,
-			__pa(end) >> PAGE_SHIFT);
+		memblock_add_node(__pa(start), end - start, nid);
 	return 0;
 }
 
-- 
1.7.3.1

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