EFI allocates runtime services regions starting from EFI_VA_START, -4G, decrement to EFI_VA_END. So remove the bottom-up term to avoid confusion.
Signed-off-by: Baoquan He <b...@redhat.com> --- arch/x86/platform/efi/efi_64.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index a4695da..e941b29 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -47,8 +47,9 @@ #include <asm/pgalloc.h> /* - * We allocate runtime services regions bottom-up, starting from -4G, i.e. - * 0xffff_ffff_0000_0000 and limit EFI VA mapping space to 64G. + * We allocate runtime services regions starting from -4G, i.e. + * 0xffff_ffff_0000_0000 and decrement as we go. The EFI VA mapping space + * is limited to 64G. */ static u64 efi_va = EFI_VA_START; -- 2.5.5
