From: Benjamin Herrenschmidt <benh@au1.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>,
victora <victora@linux.vnet.ibm.com>,
alistair@popple.id.au, jk@ozlabs.org
Cc: victora@br.ibm.com, mauricfo@linux.vnet.ibm.com, linuxppc-dev@ozlabs.org
Subject: Re: 1M hugepage size being registered on Linux
Date: Thu, 22 Jun 2017 03:09:31 -0500 [thread overview]
Message-ID: <1498118971.31581.65.camel@au1.ibm.com> (raw)
In-Reply-To: <87o9tgsmdv.fsf@concordia.ellerman.id.au>
On Thu, 2017-06-22 at 13:59 +1000, Michael Ellerman wrote:
> It's unsupported in Linux because it doesn't match the page table
> geometry.
>
> We merged a patch from Aneesh to filter it out in 4.12-rc1:
>
> a525108cf1cc ("powerpc/mm/hugetlb: Filter out hugepage size not supported by page table layout")
>
> I guess we should probably send that patch to stable et. al.
It's also not supported in HW afaik, why is it there ?
Cheers,
Ben.
next prev parent reply other threads:[~2017-06-22 8:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-20 13:47 1M hugepage size being registered on Linux victora
2017-06-21 10:33 ` Michael Ellerman
2017-06-21 15:32 ` Mauricio Faria de Oliveira
2017-06-22 8:54 ` Balbir Singh
2017-06-22 8:21 ` Benjamin Herrenschmidt
2017-06-22 3:59 ` Michael Ellerman
2017-06-22 8:09 ` Benjamin Herrenschmidt [this message]
2017-06-22 11:17 ` Michael Ellerman
2017-06-23 19:00 ` victora
2017-06-26 3:14 ` Michael Ellerman
2017-06-22 11:03 ` Michal Suchánek
2017-06-23 5:26 ` Michael Ellerman
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