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-rw-r--r--arch/x86/kernel/cpu/mtrr/main.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 663e530e08e..5994a9f78f3 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -759,7 +759,8 @@ x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
/* take out UC ranges */
for (i = 0; i < num_var_ranges; i++) {
type = range_state[i].type;
- if (type != MTRR_TYPE_UNCACHABLE)
+ if (type != MTRR_TYPE_UNCACHABLE &&
+ type != MTRR_TYPE_WRPROT)
continue;
size = range_state[i].size_pfn;
if (!size)
@@ -1248,6 +1249,8 @@ static int __init mtrr_cleanup(unsigned address_bits)
continue;
if (!size)
type = MTRR_NUM_TYPES;
+ if (type == MTRR_TYPE_WRPROT)
+ type = MTRR_TYPE_UNCACHABLE;
num[type]++;
}