efi_loader: use EFI_PAGE_MASK instead of EFI_PAGE_SIZE - 1

We should be consistent in the way we calculate page sizes.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index dd52755d1d707706211e2d5101503590efa009c2..ad7f3754bd0970b5209f756d5f1d7ce4883e4587 100644 (file)
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -325,7 +325,7 @@ void efi_add_runtime_mmio(void *mmio_ptr, u64 len)
 {
        struct efi_runtime_mmio_list *newmmio;
 
-       u64 pages = (len + EFI_PAGE_SIZE - 1) >> EFI_PAGE_SHIFT;
+       u64 pages = (len + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
        efi_add_memory_map(*(uintptr_t *)mmio_ptr, pages, EFI_MMAP_IO, false);
 
        newmmio = calloc(1, sizeof(*newmmio));