Commit 26bfc540 authored Apr 16, 2013 by Wang YanQing Committed by Ingo Molnar Apr 16, 2013

x86/mm/gart: Drop unnecessary check



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>

parent 587ff8c4

arch/x86/kernel/aperture_64.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);