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Diffstat (limited to 'arch/x86/kernel/e820_64.c')
-rw-r--r--arch/x86/kernel/e820_64.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 58dc6eee4d4..354fbb22170 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -407,15 +407,18 @@ static void early_panic(char *msg)
char *__init machine_specific_memory_setup(void)
{
char *who = "BIOS-e820";
+ int new_nr;
/*
* Try to copy the BIOS-supplied E820-map.
*
* Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k
*/
+ new_nr = boot_params.e820_entries;
sanitize_e820_map(boot_params.e820_map,
ARRAY_SIZE(boot_params.e820_map),
- &boot_params.e820_entries);
+ &new_nr);
+ boot_params.e820_entries = new_nr;
if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries) < 0)
early_panic("Cannot find a valid memory map");
printk(KERN_INFO "BIOS-provided physical RAM map:\n");
@@ -484,7 +487,7 @@ early_param("memmap", parse_memmap_opt);
void __init finish_e820_parsing(void)
{
if (userdef) {
- char nr = e820.nr_map;
+ int nr = e820.nr_map;
if (sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &nr) < 0)
early_panic("Invalid user supplied memory map");