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-rw-r--r--arch/x86/mm/init.c18
-rw-r--r--arch/x86/mm/srat_32.c2
-rw-r--r--arch/x86/mm/srat_64.c1
3 files changed, 19 insertions, 2 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index fd3da1dda1c9..ae4f7b5d7104 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -7,6 +7,7 @@
#include <asm/page.h>
#include <asm/page_types.h>
#include <asm/sections.h>
+#include <asm/setup.h>
#include <asm/system.h>
#include <asm/tlbflush.h>
@@ -304,8 +305,23 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
#endif
#ifdef CONFIG_X86_64
- if (!after_bootmem)
+ if (!after_bootmem && !start) {
+ pud_t *pud;
+ pmd_t *pmd;
+
mmu_cr4_features = read_cr4();
+
+ /*
+ * _brk_end cannot change anymore, but it and _end may be
+ * located on different 2M pages. cleanup_highmap(), however,
+ * can only consider _end when it runs, so destroy any
+ * mappings beyond _brk_end here.
+ */
+ pud = pud_offset(pgd_offset_k(_brk_end), _brk_end);
+ pmd = pmd_offset(pud, _brk_end - 1);
+ while (++pmd <= pmd_offset(pud, (unsigned long)_end - 1))
+ pmd_clear(pmd);
+ }
#endif
__flush_tlb_all();
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 16ae70fc57e7..29a0e37114f8 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -216,7 +216,7 @@ int __init get_memcfg_from_srat(void)
if (num_memory_chunks == 0) {
printk(KERN_WARNING
- "could not finy any ACPI SRAT memory areas.\n");
+ "could not find any ACPI SRAT memory areas.\n");
goto out_fail;
}
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 33c5fa57e43d..01765955baaf 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -361,6 +361,7 @@ static void __init unparse_node(int node)
{
int i;
node_clear(node, nodes_parsed);
+ node_clear(node, cpu_nodes_parsed);
for (i = 0; i < MAX_LOCAL_APIC; i++) {
if (apicid_to_node[i] == node)
apicid_to_node[i] = NUMA_NO_NODE;