Messages in this thread | | | Subject | Re: [PATCH v2 11/15] MIPS: memblock: Perform early low memory test | From | Matt Redfearn <> | Date | Tue, 13 Feb 2018 14:01:52 +0000 |
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Hi Serge,
On 02/02/18 03:54, Serge Semin wrote: > Low memory can be tested at this point, since all the > reservations have just been finished without much of > additional allocations.
Perhaps something along the lines of: "Allow an early memtest to be performed by calling early_memtest. Testing at this point in the boot sequence should be safe since all critical areas are now reserved and a minimum of allocations have been done."
Otherwise, looks good to me.
Reviewed-by: Matt Redfearn <matt.redfearn@mips.com>
Thanks, Matt
> > Signed-off-by: Serge Semin <fancer.lancer@gmail.com> > --- > arch/mips/kernel/setup.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c > index 531a1471a2a4..a0eac8160750 100644 > --- a/arch/mips/kernel/setup.c > +++ b/arch/mips/kernel/setup.c > @@ -850,6 +850,8 @@ static void __init arch_mem_init(char **cmdline_p) > memblock_allow_resize(); > > memblock_dump_all(); > + > + early_memtest(PFN_PHYS(min_low_pfn), PFN_PHYS(max_low_pfn)); > } > > static void __init resource_init(void) >
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