From: Jason Gunthorpe <jgg@nvidia.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Peter Xu <peterx@redhat.com>,
Nathan Chancellor <nathan@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Yang Shi <shy828301@gmail.com>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Mike Kravetz <mike.kravetz@oracle.com>,
John Hubbard <jhubbard@nvidia.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Jones <andrew.jones@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@infradead.org>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Matthew Wilcox <willy@infradead.org>,
Rik van Riel <riel@surriel.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
David Hildenbrand <david@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
James Houghton <jthoughton@google.com>,
Mike Rapoport <rppt@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
"loongarch@lists.linux.dev" <loongarch@lists.linux.dev>
Subject: Re: [PATCH v4 05/13] mm/arch: Provide pud_pfn() fallback
Date: Wed, 3 Apr 2024 10:33:22 -0300 [thread overview]
Message-ID: <20240403133322.GD1723999@nvidia.com> (raw)
In-Reply-To: <4b56356e-ac10-4f40-a4c3-7672d6e4a4e5@csgroup.eu>
On Wed, Apr 03, 2024 at 01:17:06PM +0000, Christophe Leroy wrote:
> > That commit makes it sounds like the arch supports huge PUD's through
> > the hugepte mechanism - it says a LTP test failed so something
> > populated a huge PUD at least??
>
> Not sure, I more see it just like a copy/paste of commit 501b81046701
> ("mips: mm: add p?d_leaf() definitions").
>
> The commit message says that the test failed because pmd_leaf() is
> missing, it says nothing about PUD.
AH fair enough, it is probably a C&P then
Jason
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Peter Xu <peterx@redhat.com>,
Nathan Chancellor <nathan@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Yang Shi <shy828301@gmail.com>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Mike Kravetz <mike.kravetz@oracle.com>,
John Hubbard <jhubbard@nvidia.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Jones <andrew.jones@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@infradead.org>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Matthew Wilcox <willy@infradead.org>,
Rik van Riel <riel@surriel.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
David Hildenbrand <david@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
James Houghton <jthoughton@google.com>,
Mike Rapoport <rppt@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
"loongarch@lists.linux.dev" <loongarch@lists.linux.dev>
Subject: Re: [PATCH v4 05/13] mm/arch: Provide pud_pfn() fallback
Date: Wed, 3 Apr 2024 10:33:22 -0300 [thread overview]
Message-ID: <20240403133322.GD1723999@nvidia.com> (raw)
In-Reply-To: <4b56356e-ac10-4f40-a4c3-7672d6e4a4e5@csgroup.eu>
On Wed, Apr 03, 2024 at 01:17:06PM +0000, Christophe Leroy wrote:
> > That commit makes it sounds like the arch supports huge PUD's through
> > the hugepte mechanism - it says a LTP test failed so something
> > populated a huge PUD at least??
>
> Not sure, I more see it just like a copy/paste of commit 501b81046701
> ("mips: mm: add p?d_leaf() definitions").
>
> The commit message says that the test failed because pmd_leaf() is
> missing, it says nothing about PUD.
AH fair enough, it is probably a C&P then
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: James Houghton <jthoughton@google.com>,
David Hildenbrand <david@redhat.com>,
Yang Shi <shy828301@gmail.com>, Peter Xu <peterx@redhat.com>,
Andrew Jones <andrew.jones@linux.dev>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>,
WANG Xuerui <kernel@xen0n.name>,
Andrea Arcangeli <aarcange@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Christoph Hellwig <hch@infradead.org>,
Vlastimil Babka <vbabka@suse.cz>,
Axel Rasmussen <axelrasmussen@google.com>,
Rik van Riel <riel@surriel.com>,
John Hubbard <jhubbard@nvidia.com>,
Nathan Chancellor <nathan@kernel.org>,
"loongarch@lists.linux.dev" <loongarch@lists.linux.dev>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Muchun Song <muchun.song@linux.dev>,
"linux-kernel@vger.kernel. org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Mike Rapoport <rppt@kernel.org>,
Mike Kravetz <mike.kravetz@oracle.com>
Subject: Re: [PATCH v4 05/13] mm/arch: Provide pud_pfn() fallback
Date: Wed, 3 Apr 2024 10:33:22 -0300 [thread overview]
Message-ID: <20240403133322.GD1723999@nvidia.com> (raw)
In-Reply-To: <4b56356e-ac10-4f40-a4c3-7672d6e4a4e5@csgroup.eu>
On Wed, Apr 03, 2024 at 01:17:06PM +0000, Christophe Leroy wrote:
> > That commit makes it sounds like the arch supports huge PUD's through
> > the hugepte mechanism - it says a LTP test failed so something
> > populated a huge PUD at least??
>
> Not sure, I more see it just like a copy/paste of commit 501b81046701
> ("mips: mm: add p?d_leaf() definitions").
>
> The commit message says that the test failed because pmd_leaf() is
> missing, it says nothing about PUD.
AH fair enough, it is probably a C&P then
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Peter Xu <peterx@redhat.com>,
Nathan Chancellor <nathan@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Yang Shi <shy828301@gmail.com>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Mike Kravetz <mike.kravetz@oracle.com>,
John Hubbard <jhubbard@nvidia.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Jones <andrew.jones@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@infradead.org>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Matthew Wilcox <willy@infradead.org>,
Rik van Riel <riel@surriel.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
David Hildenbrand <david@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
James Houghton <jthoughton@google.com>,
Mike Rapoport <rppt@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
"loongarch@lists.linux.dev" <loongarch@lists.linux.dev>
Subject: Re: [PATCH v4 05/13] mm/arch: Provide pud_pfn() fallback
Date: Wed, 3 Apr 2024 10:33:22 -0300 [thread overview]
Message-ID: <20240403133322.GD1723999@nvidia.com> (raw)
In-Reply-To: <4b56356e-ac10-4f40-a4c3-7672d6e4a4e5@csgroup.eu>
On Wed, Apr 03, 2024 at 01:17:06PM +0000, Christophe Leroy wrote:
> > That commit makes it sounds like the arch supports huge PUD's through
> > the hugepte mechanism - it says a LTP test failed so something
> > populated a huge PUD at least??
>
> Not sure, I more see it just like a copy/paste of commit 501b81046701
> ("mips: mm: add p?d_leaf() definitions").
>
> The commit message says that the test failed because pmd_leaf() is
> missing, it says nothing about PUD.
AH fair enough, it is probably a C&P then
Jason
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-04-03 13:33 UTC|newest]
Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-27 15:23 [PATCH v4 00/13] mm/gup: Unify hugetlb, part 2 peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 01/13] mm/Kconfig: CONFIG_PGTABLE_HAS_HUGE_LEAVES peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 02/13] mm/hugetlb: Declare hugetlbfs_pagecache_present() non-static peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 03/13] mm: Make HPAGE_PXD_* macros even if !THP peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 04/13] mm: Introduce vma_pgtable_walk_{begin|end}() peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 05/13] mm/arch: Provide pud_pfn() fallback peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-04-02 19:05 ` Nathan Chancellor
2024-04-02 19:05 ` Nathan Chancellor
2024-04-02 19:05 ` Nathan Chancellor
2024-04-02 19:05 ` Nathan Chancellor
2024-04-02 22:43 ` Peter Xu
2024-04-02 22:43 ` Peter Xu
2024-04-02 22:43 ` Peter Xu
2024-04-02 22:43 ` Peter Xu
2024-04-02 22:53 ` Jason Gunthorpe
2024-04-02 22:53 ` Jason Gunthorpe
2024-04-02 22:53 ` Jason Gunthorpe
2024-04-02 22:53 ` Jason Gunthorpe
2024-04-02 23:35 ` Peter Xu
2024-04-02 23:35 ` Peter Xu
2024-04-02 23:35 ` Peter Xu
2024-04-02 23:35 ` Peter Xu
2024-04-03 12:08 ` Jason Gunthorpe
2024-04-03 12:08 ` Jason Gunthorpe
2024-04-03 12:08 ` Jason Gunthorpe
2024-04-03 12:08 ` Jason Gunthorpe
2024-04-03 12:26 ` Christophe Leroy
2024-04-03 12:26 ` Christophe Leroy
2024-04-03 12:26 ` Christophe Leroy
2024-04-03 12:26 ` Christophe Leroy
2024-04-03 13:07 ` Jason Gunthorpe
2024-04-03 13:07 ` Jason Gunthorpe
2024-04-03 13:07 ` Jason Gunthorpe
2024-04-03 13:07 ` Jason Gunthorpe
2024-04-03 13:17 ` Christophe Leroy
2024-04-03 13:17 ` Christophe Leroy
2024-04-03 13:17 ` Christophe Leroy
2024-04-03 13:17 ` Christophe Leroy
2024-04-03 13:33 ` Jason Gunthorpe [this message]
2024-04-03 13:33 ` Jason Gunthorpe
2024-04-03 13:33 ` Jason Gunthorpe
2024-04-03 13:33 ` Jason Gunthorpe
2024-04-03 18:25 ` Peter Xu
2024-04-03 18:25 ` Peter Xu
2024-04-03 18:25 ` Peter Xu
2024-04-03 18:25 ` Peter Xu
2024-04-04 11:24 ` Jason Gunthorpe
2024-04-04 11:24 ` Jason Gunthorpe
2024-04-04 11:24 ` Jason Gunthorpe
2024-04-04 11:24 ` Jason Gunthorpe
2024-04-04 12:00 ` Peter Xu
2024-04-04 12:00 ` Peter Xu
2024-04-04 12:00 ` Peter Xu
2024-04-04 12:00 ` Peter Xu
2024-03-27 15:23 ` [PATCH v4 06/13] mm/gup: Drop folio_fast_pin_allowed() in hugepd processing peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-28 10:10 ` David Hildenbrand
2024-03-28 10:10 ` David Hildenbrand
2024-03-28 10:10 ` David Hildenbrand
2024-03-28 10:10 ` David Hildenbrand
2024-03-28 19:01 ` Andrew Morton
2024-03-28 19:01 ` Andrew Morton
2024-03-28 19:01 ` Andrew Morton
2024-03-28 19:01 ` Andrew Morton
2024-03-27 15:23 ` [PATCH v4 07/13] mm/gup: Refactor record_subpages() to find 1st small page peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 08/13] mm/gup: Handle hugetlb for no_page_table() peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 09/13] mm/gup: Cache *pudp in follow_pud_mask() peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 10/13] mm/gup: Handle huge pud for follow_pud_mask() peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 11/13] mm/gup: Handle huge pmd for follow_pmd_mask() peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 12/13] mm/gup: Handle hugepd for follow_page() peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` [PATCH v4 13/13] mm/gup: Handle hugetlb in the generic follow_page_mask code peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-03-27 15:23 ` peterx
2024-04-02 14:48 ` Ryan Roberts
2024-04-02 14:48 ` Ryan Roberts
2024-04-02 14:48 ` Ryan Roberts
2024-04-02 14:48 ` Ryan Roberts
2024-04-02 15:26 ` David Hildenbrand
2024-04-02 15:26 ` David Hildenbrand
2024-04-02 15:26 ` David Hildenbrand
2024-04-02 15:26 ` David Hildenbrand
2024-04-02 16:00 ` Matthew Wilcox
2024-04-02 16:00 ` Matthew Wilcox
2024-04-02 16:00 ` Matthew Wilcox
2024-04-02 16:00 ` Matthew Wilcox
2024-04-02 16:18 ` Ryan Roberts
2024-04-02 16:18 ` Ryan Roberts
2024-04-02 16:18 ` Ryan Roberts
2024-04-02 16:18 ` Ryan Roberts
2024-04-02 16:26 ` Peter Xu
2024-04-02 16:26 ` Peter Xu
2024-04-02 16:26 ` Peter Xu
2024-04-02 16:26 ` Peter Xu
2024-04-02 16:40 ` David Hildenbrand
2024-04-02 16:40 ` David Hildenbrand
2024-04-02 16:40 ` David Hildenbrand
2024-04-02 16:40 ` David Hildenbrand
2024-04-02 16:20 ` Peter Xu
2024-04-02 16:20 ` Peter Xu
2024-04-02 16:20 ` Peter Xu
2024-04-02 16:20 ` Peter Xu
2024-04-02 16:39 ` David Hildenbrand
2024-04-02 16:39 ` David Hildenbrand
2024-04-02 16:39 ` David Hildenbrand
2024-04-02 16:39 ` David Hildenbrand
2024-04-02 17:57 ` Peter Xu
2024-04-02 17:57 ` Peter Xu
2024-04-02 17:57 ` Peter Xu
2024-04-02 17:57 ` Peter Xu
2024-04-02 18:43 ` David Hildenbrand
2024-04-02 18:43 ` David Hildenbrand
2024-04-02 18:43 ` David Hildenbrand
2024-04-02 18:43 ` David Hildenbrand
2024-04-02 16:46 ` Ryan Roberts
2024-04-02 16:46 ` Ryan Roberts
2024-04-02 16:46 ` Ryan Roberts
2024-04-02 16:46 ` Ryan Roberts
2024-04-02 17:58 ` Peter Xu
2024-04-02 17:58 ` Peter Xu
2024-04-02 17:58 ` Peter Xu
2024-04-02 17:58 ` Peter Xu
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