Re: [PATCH 2.6.27] x86: memtest fix use of reserve_early()

[Ingo Molnar <mingo@elte.hu>]

* Yinghai Lu <yinghai@kernel.org> wrote:

> On Mon, Oct 13, 2008 at 1:34 AM, Daniele Calore <orkaan@orkaan.org> wrote:
> > Hi all,
> >
> > Wrong usage of 2nd parameter in reserve_early call.
> > 66/75: reserve_early(start_bad, last_bad - start_bad, "BAD RAM");
> >                                ^^^^^^^^^^^^^^^^^^^^
> >
> > The correct way is to use 'end' address and not 'size'.
> > As a bonus a fix to the printk format.
> >
> > Signed-off-by: Daniele Calore <orkaan@orkaan.org>
> >
> > ---
> > diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
> > index 672e17f..9cab18b 100644
> > --- a/arch/x86/mm/memtest.c
> > +++ b/arch/x86/mm/memtest.c
> > @@ -61,9 +61,9 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
> >                                last_bad += incr;
> >                        } else {
> >                                if (start_bad) {
> > -                                       printk(KERN_CONT "\n  %010lx bad mem addr %010lx - %010lx reserved",
> > +                                       printk(KERN_CONT "\n  %016lx bad mem addr %010lx - %010lx reserved",
> >                                                val, start_bad, last_bad + incr);
> > -                                       reserve_early(start_bad, last_bad - start_bad, "BAD RAM");
> > +                                       reserve_early(start_bad, last_bad + incr, "BAD RAM");
> >                                }
> >                                start_bad = last_bad = start_phys_aligned;
> >                        }
> > @@ -72,9 +72,8 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
> >        if (start_bad) {
> >                printk(KERN_CONT "\n  %016lx bad mem addr %010lx - %010lx reserved",
> >                        val, start_bad, last_bad + incr);
> > -               reserve_early(start_bad, last_bad - start_bad, "BAD RAM");
> > +               reserve_early(start_bad, last_bad + incr, "BAD RAM");
> >        }
> > -
> >  }
> >
> >  /* default is disabled */
> 
> Acked-by: Yinghai Lu <yinghai@kernel.org>

applied to tip/x86/urgent, thanks!

	Ingo