x86: EFI set_memory_x()/set_memory_uc() fixes

The EFI-runtime mapping code changed a larger memory area than it
should have, due to a pages/bytes parameter mixup.

noticed by Andi Kleen.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index cbdf9bacc575..0c0eeb163d90 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -391,7 +391,7 @@ static void __init runtime_code_page_mkexec(void)
                 if (md->type != EFI_RUNTIME_SERVICES_CODE)
                         continue;
 
-                set_memory_x(md->virt_addr, md->num_pages << EFI_PAGE_SHIFT);
+                set_memory_x(md->virt_addr, md->num_pages);
         }
 }
 
@@ -434,7 +434,7 @@ void __init efi_enter_virtual_mode(void)
                 }
 
                 if (!(md->attribute & EFI_MEMORY_WB))
-                        set_memory_uc(md->virt_addr, size);
+                        set_memory_uc(md->virt_addr, md->num_pages);
 
                 systab = (u64) (unsigned long) efi_phys.systab;
                 if (md->phys_addr <= systab && systab < end) {