On Mon, 2015-04-06 at 11:29 -0700, Yinghai Lu wrote: > On Mon, Apr 6, 2015 at 10:47 AM, Toshi Kani <[email protected]> wrote: > > 'Commit ec776ef6bbe17 ("x86/mm: Add support for the non-standard > > protected e820 type")' added E820_PRAM ranges, which do not have > > have struct-page. Therefore, there is no need to update max_pfn > > to cover the E820_PRAM ranges. Revert the change made to account > > E820_PRAM as RAM in e820_end_pfn() in the commit. > > > > Signed-off-by: Yinghai Lu <[email protected]> > > Signed-off-by: Toshi Kani <[email protected]> > > Tested-by: Christoph Hellwig <[email protected]> > > --- > > The patch is based on the tip branch. > > --- > > arch/x86/kernel/e820.c | 6 +----- > > 1 file changed, 1 insertion(+), 5 deletions(-) > > > > diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c > > index e2ce85d..4dfe4bd 100644 > > --- a/arch/x86/kernel/e820.c > > +++ b/arch/x86/kernel/e820.c > > @@ -763,11 +763,7 @@ static unsigned long __init e820_end_pfn(unsigned long > > limit_pfn) > > unsigned long start_pfn; > > unsigned long end_pfn; > > > > - /* > > - * Persistent memory is accounted as ram for purposes of > > - * establishing max_pfn and mem_map. > > - */ > > - if (ei->type != E820_RAM && ei->type != E820_PRAM) > > + if (ei->type != E820_RAM) > > continue; > > > > start_pfn = ei->addr >> PAGE_SHIFT; > > Please use attached for code change.
Will do. Thanks, -Toshi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
