From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"suzuki.poulose@arm.com" <suzuki.poulose@arm.com>,
"punit.agrawal@arm.com" <punit.agrawal@arm.com>,
"will.deacon@arm.com" <will.deacon@arm.com>,
"Steven.Price@arm.com" <Steven.Price@arm.com>,
"steve.capper@arm.com" <steve.capper@arm.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"mhocko@kernel.org" <mhocko@kernel.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mike.kravetz@oracle.com" <mike.kravetz@oracle.com>
Subject: Re: [PATCH V2 0/5] arm64/mm: Enable HugeTLB migration
Date: Fri, 19 Oct 2018 02:01:01 +0000 [thread overview]
Message-ID: <20181019020101.GB18973@hori1.linux.bs1.fc.nec.co.jp> (raw)
In-Reply-To: <e1703454-e500-3a1b-35cb-6368dff91f10@arm.com>
On Wed, Oct 17, 2018 at 01:49:17PM +0530, Anshuman Khandual wrote:
>
>
> On 10/12/2018 09:29 AM, Anshuman Khandual wrote:
> > This patch series enables HugeTLB migration support for all supported
> > huge page sizes at all levels including contiguous bit implementation.
> > Following HugeTLB migration support matrix has been enabled with this
> > patch series. All permutations have been tested except for the 16GB.
> >
> > CONT PTE PMD CONT PMD PUD
> > -------- --- -------- ---
> > 4K: 64K 2M 32M 1G
> > 16K: 2M 32M 1G
> > 64K: 2M 512M 16G
> >
> > First the series adds migration support for PUD based huge pages. It
> > then adds a platform specific hook to query an architecture if a
> > given huge page size is supported for migration while also providing
> > a default fallback option preserving the existing semantics which just
> > checks for (PMD|PUD|PGDIR)_SHIFT macros. The last two patches enables
> > HugeTLB migration on arm64 and subscribe to this new platform specific
> > hook by defining an override.
> >
> > The second patch differentiates between movability and migratability
> > aspects of huge pages and implements hugepage_movable_supported() which
> > can then be used during allocation to decide whether to place the huge
> > page in movable zone or not.
> >
> > Changes in V2:
> >
> > - Added a new patch which differentiates migratability and movability
> > of huge pages and implements hugepage_movable_supported() function
> > as suggested by Michal Hocko.
>
> Hello Andrew/Michal/Mike/Naoya/Catalin,
>
> Just checking for an update. Does this series looks okay ?
Looks good to me. So for the series
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
prev parent reply other threads:[~2018-10-19 2:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-12 3:59 Anshuman Khandual
2018-10-12 3:59 ` [PATCH V2 1/5] mm/hugetlb: Enable PUD level huge page migration Anshuman Khandual
2018-10-19 8:09 ` Michal Hocko
2018-10-22 3:01 ` Anshuman Khandual
2018-10-22 7:16 ` Michal Hocko
2018-10-12 3:59 ` [PATCH V2 2/5] mm/hugetlb: Distinguish between migratability and movability Anshuman Khandual
2018-10-19 1:59 ` Naoya Horiguchi
2018-10-19 2:32 ` Anshuman Khandual
2018-10-12 3:59 ` [PATCH V2 3/5] mm/hugetlb: Enable arch specific huge page size support for migration Anshuman Khandual
2018-10-12 3:59 ` [PATCH V2 4/5] arm64/mm: Enable HugeTLB migration Anshuman Khandual
2018-10-12 3:59 ` [PATCH V2 5/5] arm64/mm: Enable HugeTLB migration for contiguous bit HugeTLB pages Anshuman Khandual
2018-10-17 8:19 ` [PATCH V2 0/5] arm64/mm: Enable HugeTLB migration Anshuman Khandual
2018-10-19 2:01 ` Naoya Horiguchi [this message]
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