linux-kernel - [tip:x86/mm2] x86, mm: Change find_early_table

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Message-ID: <tip-84f1ae30bb68d8da98bca7ff2c2b825b2ac8c9a5@git.kernel.org>
Date:	Wed, 21 Nov 2012 17:43:39 -0800
From:	tip-bot for Yinghai Lu <yinghai@...nel.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	yinghai@...nel.org, tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/mm2] x86, mm: Change find_early_table_space() paramters

Commit-ID:  84f1ae30bb68d8da98bca7ff2c2b825b2ac8c9a5
Gitweb:     http://git.kernel.org/tip/84f1ae30bb68d8da98bca7ff2c2b825b2ac8c9a5
Author:     Yinghai Lu <yinghai@...nel.org>
AuthorDate: Fri, 16 Nov 2012 19:38:43 -0800
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Sat, 17 Nov 2012 11:59:05 -0800

x86, mm: Change find_early_table_space() paramters

call split_mem_range inside the function.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Link: http://lkml.kernel.org/r/1353123563-3103-7-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/mm/init.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index dbef4ff..51f919f 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -196,12 +196,18 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
  * mr[0].start to mr[nr_range - 1].end, while accounting for possible 2M and 1GB
  * pages. Then find enough contiguous space for those page tables.
  */
-static void __init find_early_table_space(struct map_range *mr, int nr_range)
+static void __init find_early_table_space(unsigned long start, unsigned long end)
 {
 	int i;
 	unsigned long puds = 0, pmds = 0, ptes = 0, tables;
-	unsigned long start = 0, good_end;
+	unsigned long good_end;
 	phys_addr_t base;
+	struct map_range mr[NR_RANGE_MR];
+	int nr_range;
+
+	memset(mr, 0, sizeof(mr));
+	nr_range = 0;
+	nr_range = split_mem_range(mr, nr_range, start, end);
 
 	for (i = 0; i < nr_range; i++) {
 		unsigned long range, extra;
@@ -276,7 +282,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
 	 * nodes are discovered.
 	 */
 	if (!after_bootmem)
-		find_early_table_space(mr, nr_range);
+		find_early_table_space(start, end);
 
 	for (i = 0; i < nr_range; i++)
 		ret = kernel_physical_mapping_init(mr[i].start, mr[i].end,
--
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