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

From: Prarit Bhargava
Date: Tue Jul 29 2014 - 18:05:52 EST




On 07/29/2014 06:02 PM, Joe Perches wrote:
> On Tue, 2014-07-29 at 13:29 -0700, David Rientjes wrote:
>> On Tue, 29 Jul 2014, Prarit Bhargava wrote:
>>> diff --git 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?
>
> Or maybe ((u64)EFI_PAGE_SIZE * md->num_pages) >> 10

Heh :) See my just sent email. I'll give this a shot :)

P.
>
>
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