From 26bfc540f6f2dcbd93d0b9ed8f37830419ded7e8 Mon Sep 17 00:00:00 2001 From: Wang YanQing Date: Tue, 16 Apr 2013 09:37:34 +0800 Subject: [PATCH] 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 Cc: yinghai@kernel.org Link: http://lkml.kernel.org/r/20130416013734.GA14641@udknight Signed-off-by: Ingo Molnar --- 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 d5fd66f0d4cd..fd972a3e4cbb 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); -- 2.39.5