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authorYinghai Lu <yhlu.kernel@gmail.com>2008-09-29 13:39:17 -0700
committerH. Peter Anvin <hpa@zytor.com>2008-09-29 18:34:08 -0700
commit73436a1d2501575f9c2e6ddb26889145e23cefd8 (patch)
treeb612837e4f2035c53d183c9d71ffc0d2c431c00e /arch/x86/kernel/cpu/mtrr/main.c
parentx86: mtrr_cleanup hole size should be less than half of chunk_size, v2 (diff)
downloadlinux-dev-73436a1d2501575f9c2e6ddb26889145e23cefd8.tar.xz
linux-dev-73436a1d2501575f9c2e6ddb26889145e23cefd8.zip
x86: mtrr_cleanup safe to get more spare regs now
Delay exit to make sure we can actually get the optimal result in as many cases as possible. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/cpu/mtrr/main.c')
-rw-r--r--arch/x86/kernel/cpu/mtrr/main.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index bccf57f5b615..ae0ca97e20bd 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -1353,10 +1353,8 @@ static int __init mtrr_cleanup(unsigned address_bits)
nr_mtrr_spare_reg = num_var_ranges - 1;
num_reg_good = -1;
for (i = num_var_ranges - nr_mtrr_spare_reg; i > 0; i--) {
- if (!min_loss_pfn[i]) {
+ if (!min_loss_pfn[i])
num_reg_good = i;
- break;
- }
}
index_good = -1;