EFI allocate runtime services regions from EFI_VA_START, -4G, down to -68G, EFI_VA_END, 64G altogether. The mechanism was introduced in commit d2f7cbe7b26a7 ("x86/efi: Runtime services virtual mapping"). Clean it up to avoid confusion. Signed-off-by: Baoquan He <bhe@xxxxxxxxxx> --- v1->v2: Update patch log to corret a description mistake Ard pointed out. arch/x86/platform/efi/efi_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index a4695da..6cbf9e0 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -47,7 +47,7 @@ #include <asm/pgalloc.h> /* - * We allocate runtime services regions bottom-up, starting from -4G, i.e. + * We allocate runtime services regions top-down, starting from -4G, i.e. * 0xffff_ffff_0000_0000 and limit EFI VA mapping space to 64G. */ static u64 efi_va = EFI_VA_START; -- 2.5.5 -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html