The 32bit version of e820_all_mapped() needs to use u64 to avoid
overflows on PAE systems. Pointed out by Jan Beulich
Signed-off-by: Andi Kleen <[email protected]>
---
arch/i386/kernel/setup.c | 2 +-
include/asm-i386/e820.h | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)
Index: linux/arch/i386/kernel/setup.c
===================================================================
--- linux.orig/arch/i386/kernel/setup.c
+++ linux/arch/i386/kernel/setup.c
@@ -970,7 +970,7 @@ efi_memory_present_wrapper(unsigned long
* not-overlapping, which is the case
*/
int __init
-e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
+e820_all_mapped(u64 start, u64 end, unsigned type)
{
int i;
for (i = 0; i < e820.nr_map; i++) {
Index: linux/include/asm-i386/e820.h
===================================================================
--- linux.orig/include/asm-i386/e820.h
+++ linux/include/asm-i386/e820.h
@@ -36,8 +36,7 @@ struct e820map {
extern struct e820map e820;
-extern int e820_all_mapped(unsigned long start, unsigned long end,
- unsigned type);
+extern int e820_all_mapped(u64 start, u64 end, unsigned type);
#endif/*!__ASSEMBLY__*/
-
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