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Date: Tue, 13 Feb 2018 14:01:52 +0000 From: Matt Redfearn <matt.redfearn@...s.com> To: Serge Semin <fancer.lancer@...il.com>, <ralf@...ux-mips.org>, <miodrag.dinic@...s.com>, <jhogan@...nel.org>, <goran.ferenc@...s.com>, <david.daney@...ium.com>, <paul.gortmaker@...driver.com>, <paul.burton@...s.com>, <alex.belits@...ium.com>, <Steven.Hill@...ium.com> CC: <alexander.sverdlin@...ia.com>, <kumba@...too.org>, <marcin.nowakowski@...s.com>, <James.hogan@...s.com>, <Peter.Wotton@...s.com>, <Sergey.Semin@...latforms.ru>, <linux-mips@...ux-mips.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2 11/15] MIPS: memblock: Perform early low memory test 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@...s.com> Thanks, Matt > > Signed-off-by: Serge Semin <fancer.lancer@...il.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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