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authorJ. Bruce Fields <bfields@citi.umich.edu>2010-03-09 17:22:08 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-03-09 17:22:08 -0500
commite739cf1da48e841bc5d744a99764c1a668b4bdd2 (patch)
tree1d39318bbbcdd66ad8cd34823ad9befb7af08b1f /arch/x86/mm/init_32.c
parente7b184f199fd3c80b618ec8244cbda70857d2779 (diff)
parent57d54889cd00db2752994b389ba714138652e60c (diff)
Merge commit 'v2.6.34-rc1' into for-2.6.35-incoming
Diffstat (limited to 'arch/x86/mm/init_32.c')
-rw-r--r--arch/x86/mm/init_32.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 9a0c258a86b..5cb3f0f54f4 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -241,6 +241,7 @@ kernel_physical_mapping_init(unsigned long start,
unsigned long page_size_mask)
{
int use_pse = page_size_mask == (1<<PG_LEVEL_2M);
+ unsigned long last_map_addr = end;
unsigned long start_pfn, end_pfn;
pgd_t *pgd_base = swapper_pg_dir;
int pgd_idx, pmd_idx, pte_ofs;
@@ -341,9 +342,10 @@ repeat:
prot = PAGE_KERNEL_EXEC;
pages_4k++;
- if (mapping_iter == 1)
+ if (mapping_iter == 1) {
set_pte(pte, pfn_pte(pfn, init_prot));
- else
+ last_map_addr = (pfn << PAGE_SHIFT) + PAGE_SIZE;
+ } else
set_pte(pte, pfn_pte(pfn, prot));
}
}
@@ -368,7 +370,7 @@ repeat:
mapping_iter = 2;
goto repeat;
}
- return 0;
+ return last_map_addr;
}
pte_t *kmap_pte;
@@ -748,6 +750,7 @@ static void __init zone_sizes_init(void)
free_area_init_nodes(max_zone_pfns);
}
+#ifndef CONFIG_NO_BOOTMEM
static unsigned long __init setup_node_bootmem(int nodeid,
unsigned long start_pfn,
unsigned long end_pfn,
@@ -764,13 +767,14 @@ static unsigned long __init setup_node_bootmem(int nodeid,
printk(KERN_INFO " node %d bootmap %08lx - %08lx\n",
nodeid, bootmap, bootmap + bootmap_size);
free_bootmem_with_active_regions(nodeid, end_pfn);
- early_res_to_bootmem(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
return bootmap + bootmap_size;
}
+#endif
void __init setup_bootmem_allocator(void)
{
+#ifndef CONFIG_NO_BOOTMEM
int nodeid;
unsigned long bootmap_size, bootmap;
/*
@@ -782,11 +786,13 @@ void __init setup_bootmem_allocator(void)
if (bootmap == -1L)
panic("Cannot find bootmem map of size %ld\n", bootmap_size);
reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
+#endif
printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
max_pfn_mapped<<PAGE_SHIFT);
printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
+#ifndef CONFIG_NO_BOOTMEM
for_each_online_node(nodeid) {
unsigned long start_pfn, end_pfn;
@@ -804,6 +810,7 @@ void __init setup_bootmem_allocator(void)
bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
bootmap);
}
+#endif
after_bootmem = 1;
}