From: Peter Xu <peterx@redhat.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Jason Gunthorpe <jgg@nvidia.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Matthew Wilcox <willy@infradead.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Andrew Morton <akpm@linux-foundation.org>,
"x86@kernel.org" <x86@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Muchun Song <muchun.song@linux.dev>,
"sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
"Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Subject: Re: [PATCH 09/13] mm/powerpc: Redefine pXd_huge() with pXd_leaf()
Date: Wed, 20 Mar 2024 12:09:05 -0400 [thread overview]
Message-ID: <ZfsKIResY4YcxkxK@x1n> (raw)
In-Reply-To: <7ca8f19e-7517-404a-b7bb-92ac516d87c8@csgroup.eu>
On Wed, Mar 20, 2024 at 06:16:43AM +0000, Christophe Leroy wrote:
> At the first place that was to get a close fit between hardware
> pagetable topology and linux pagetable topology. But obviously we
> already stepped back for 512k pages, so let's go one more step aside and
> do similar with 8M pages.
>
> I'll give it a try and see how it goes.
So you're talking about 8M only for 8xx, am I right?
There seem to be other PowerPC systems use hugepd. Is it possible that we
convert all hugepd into cont_pte form?
Thanks,
--
Peter Xu
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next prev parent reply other threads:[~2024-03-20 16:09 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-13 21:47 [PATCH 00/13] mm/treewide: Remove pXd_huge() API peterx
2024-03-13 21:47 ` [PATCH 01/13] mm/hmm: Process pud swap entry without pud_huge() peterx
2024-03-13 21:47 ` [PATCH 02/13] mm/gup: Cache p4d in follow_p4d_mask() peterx
2024-03-13 21:47 ` [PATCH 03/13] mm/gup: Check p4d presence before going on peterx
2024-03-13 21:47 ` [PATCH 04/13] mm/x86: Change pXd_huge() behavior to exclude swap entries peterx
2024-03-13 21:47 ` [PATCH 05/13] mm/sparc: " peterx
2024-03-13 21:47 ` [PATCH 06/13] mm/arm: Use macros to define pmd/pud helpers peterx
2024-03-13 21:47 ` [PATCH 07/13] mm/arm: Redefine pmd_huge() with pmd_leaf() peterx
2024-03-13 21:47 ` [PATCH 08/13] mm/arm64: Merge pXd_huge() and pXd_leaf() definitions peterx
2024-03-13 21:47 ` [PATCH 09/13] mm/powerpc: Redefine pXd_huge() with pXd_leaf() peterx
2024-03-14 8:45 ` Christophe Leroy
2024-03-14 12:53 ` Peter Xu
2024-03-14 13:11 ` Christophe Leroy
2024-03-18 16:15 ` Jason Gunthorpe
2024-03-19 23:07 ` Christophe Leroy
2024-03-19 23:26 ` Jason Gunthorpe
2024-03-20 6:16 ` Christophe Leroy
2024-03-20 16:09 ` Peter Xu [this message]
2024-03-20 17:40 ` Christophe Leroy
2024-03-20 20:24 ` Peter Xu
2024-03-13 21:47 ` [PATCH 10/13] mm/gup: Merge pXd huge mapping checks peterx
2024-03-13 21:47 ` [PATCH 11/13] mm/treewide: Replace pXd_huge() with pXd_leaf() peterx
2024-03-14 8:50 ` Christophe Leroy
2024-03-14 12:59 ` Peter Xu
2024-03-18 16:16 ` Jason Gunthorpe
2024-03-13 21:47 ` [PATCH 12/13] mm/treewide: Remove pXd_huge() peterx
2024-03-14 8:56 ` Christophe Leroy
2024-03-14 14:08 ` Peter Xu
2024-03-13 21:47 ` [PATCH 13/13] mm: Document pXd_leaf() API peterx
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