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x86/mm/gart: Drop unnecessary check

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The memblock_find_in_range() return value addr is guaranteed
to be within "addr + aper_size" and not beyond GART_MAX_ADDR.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20130416013734.GA14641@udknight
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Wang YanQing 2013-04-16 09:37:34 +08:00 committed by Ingo Molnar
parent 587ff8c4ea
commit 26bfc540f6
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/aperture_64.c
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@ -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);