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| author | Andi Kleen <ak@suse.de> | 2006-05-01 23:15:50 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-05-02 05:17:43 +0400 |
| commit | 5871aa6d5a98f315016d1deee07425c269c37f29 (patch) | |
| tree | 080fad156c503a485cfa4736d8e7b38561f5586a | |
| parent | 32828546b32a96d550b85eab25609bc4ba3942ab (diff) | |
| download | linux-5871aa6d5a98f315016d1deee07425c269c37f29.tar.xz | |
[PATCH] i386: Fix overflow in e820_all_mapped
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 <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/i386/kernel/setup.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 80cb3b2d0997..d77e89ac0d54 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -970,8 +970,10 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg) * not-overlapping, which is the case */ int __init -e820_all_mapped(unsigned long start, unsigned long end, unsigned type) +e820_all_mapped(unsigned long s, unsigned long e, unsigned type) { + u64 start = s; + u64 end = e; int i; for (i = 0; i < e820.nr_map; i++) { struct e820entry *ei = &e820.map[i]; |