1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 2ed37158012d..640339ee4fb2 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -677,10 +677,11 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot,
         is_ram = pat_pagerange_is_ram(paddr, paddr + size);
 
         /*
-         * reserve_pfn_range() doesn't support RAM pages.
+         * reserve_pfn_range() doesn't support RAM pages. Maintain the current
+         * behavior with RAM pages by returning success.
          */
         if (is_ram != 0)
-                return -EINVAL;
+                return 0;
 
         ret = reserve_memtype(paddr, paddr + size, want_flags, &flags);
         if (ret)