[PATCH] x86:aperture_64: drop not needed checking

From: Wang YanQing
Date: Mon Apr 15 2013 - 21:37:58 EST



The memblock_find_in_range return value, addr, will
make sure "addr + aper_size" not beyond GART_MAX_ADDR.

Signed-off-by: Wang YanQing <udknight@xxxxxxxxx>
---
arch/x86/kernel/aperture_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index d5fd66f..fd972a3 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -87,7 +87,7 @@ static u32 __init allocate_aperture(void)
*/
addr = memblock_find_in_range(GART_MIN_ADDR, GART_MAX_ADDR,
aper_size, aper_size);
- if (!addr || addr + aper_size > GART_MAX_ADDR) {
+ if (!addr) {
printk(KERN_ERR
"Cannot allocate aperture memory hole (%lx,%uK)\n",
addr, aper_size>>10);
--
1.7.12.4.dirty
--
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