Re: [PATCH] x86, efi: print debug values in Kib not MB

From: David Rientjes
Date: Tue Jul 29 2014 - 16:29:17 EST


On Tue, 29 Jul 2014, Prarit Bhargava wrote:

> diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
> index 87fc96b..3875090 100644
> --- a/arch/x86/platform/efi/efi.c
> +++ b/arch/x86/platform/efi/efi.c
> @@ -384,10 +384,10 @@ static void __init print_efi_memmap(void)
> p < memmap.map_end;
> p += memmap.desc_size, i++) {
> md = p;
> - pr_info("mem%02u: type=%u, attr=0x%llx, range=[0x%016llx-0x%016llx) (%lluMB)\n",
> + pr_info("mem%02u: type=%u, attr=0x%llx, range=[0x%016llx-0x%016llx) (%lluKiB)\n",
> i, md->type, md->attribute, md->phys_addr,
> md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT),
> - (md->num_pages >> (20 - EFI_PAGE_SHIFT)));
> + (md->num_pages << 2));
> }
> #endif /* EFI_DEBUG */
> }

If EFI_PAGE_SHIFT were to ever change from its hard-coded 12, then this
would be wrong. Any reason to not simply print EFI_PAGE_SIZE and
md->num_pages?
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