From: kfraser@localhost.localdomain <kfraser@localhost.localdomain>
Date: Tue, 7 Nov 2006 09:28:18 +0000 (+0000)
Subject: [LINUX] Use pfn_to_page instead of relying in memory assumptions
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=77d409f7f2913be522d7e7570e9d3a37429b4679;p=xen.git

[LINUX] Use pfn_to_page instead of relying in memory assumptions

This makes usage agnostic wrt the memory model being used.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
---

diff --git a/linux-2.6-xen-sparse/arch/i386/mm/init-xen.c b/linux-2.6-xen-sparse/arch/i386/mm/init-xen.c
index c0c0bb2fa8..4f0175462a 100644
--- a/linux-2.6-xen-sparse/arch/i386/mm/init-xen.c
+++ b/linux-2.6-xen-sparse/arch/i386/mm/init-xen.c
@@ -663,8 +663,8 @@ void __init mem_init(void)
 	totalram_pages += free_all_bootmem();
 	/* XEN: init and count low-mem pages outside initial allocation. */
 	for (pfn = xen_start_info->nr_pages; pfn < max_low_pfn; pfn++) {
-		ClearPageReserved(&mem_map[pfn]);
-		set_page_count(&mem_map[pfn], 1);
+		ClearPageReserved(pfn_to_page(pfn));
+		set_page_count(pfn_to_page(pfn), 1);
 		totalram_pages++;
 	}
 
diff --git a/linux-2.6-xen-sparse/arch/x86_64/mm/init-xen.c b/linux-2.6-xen-sparse/arch/x86_64/mm/init-xen.c
index d3ce58355f..61c75c08a6 100644
--- a/linux-2.6-xen-sparse/arch/x86_64/mm/init-xen.c
+++ b/linux-2.6-xen-sparse/arch/x86_64/mm/init-xen.c
@@ -913,8 +913,8 @@ void __init mem_init(void)
 #endif
 	/* XEN: init and count pages outside initial allocation. */
 	for (pfn = xen_start_info->nr_pages; pfn < max_pfn; pfn++) {
-		ClearPageReserved(&mem_map[pfn]);
-		set_page_count(&mem_map[pfn], 1);
+		ClearPageReserved(pfn_to_page(pfn));
+		set_page_count(pfn_to_page(pfn), 1);
 		totalram_pages++;
 	}
 	reservedpages = end_pfn - totalram_pages - e820_hole_size(0, end_pfn);