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-rw-r--r--arch/x86/mm/fault.c23
1 files changed, 1 insertions, 22 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 7b0d4ab894c8..a498ae1fbe66 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -260,7 +260,7 @@ static noinline int vmalloc_fault(unsigned long address)
}
NOKPROBE_SYMBOL(vmalloc_fault);
-static void __arch_sync_kernel_mappings(unsigned long start, unsigned long end)
+void arch_sync_kernel_mappings(unsigned long start, unsigned long end)
{
unsigned long addr;
@@ -284,27 +284,6 @@ static void __arch_sync_kernel_mappings(unsigned long start, unsigned long end)
}
}
-void arch_sync_kernel_mappings(unsigned long start, unsigned long end)
-{
- __arch_sync_kernel_mappings(start, end);
-#ifdef CONFIG_KMSAN
- /*
- * KMSAN maintains two additional metadata page mappings for the
- * [VMALLOC_START, VMALLOC_END) range. These mappings start at
- * KMSAN_VMALLOC_SHADOW_START and KMSAN_VMALLOC_ORIGIN_START and
- * have to be synced together with the vmalloc memory mapping.
- */
- if (start >= VMALLOC_START && end < VMALLOC_END) {
- __arch_sync_kernel_mappings(
- start - VMALLOC_START + KMSAN_VMALLOC_SHADOW_START,
- end - VMALLOC_START + KMSAN_VMALLOC_SHADOW_START);
- __arch_sync_kernel_mappings(
- start - VMALLOC_START + KMSAN_VMALLOC_ORIGIN_START,
- end - VMALLOC_START + KMSAN_VMALLOC_ORIGIN_START);
- }
-#endif
-}
-
static bool low_pfn(unsigned long pfn)
{
return pfn < max_low_pfn;