From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Yu Zhao <yuzhao@google.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Nick Piggin <npiggin@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Joel Fernandes <joel@joelfernandes.org>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Mark Rutland <mark.rutland@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Chintan Pandya <cpandya@codeaurora.org>,
Jun Yao <yaojun8558363@gmail.com>,
Laura Abbott <labbott@redhat.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v2 1/3] arm64: mm: use appropriate ctors for page tables
Date: Tue, 19 Feb 2019 09:51:01 +0530 [thread overview]
Message-ID: <863acc9a-53fb-86ad-4521-828ee8d9c222@arm.com> (raw)
In-Reply-To: <20190218231319.178224-1-yuzhao@google.com>
On 02/19/2019 04:43 AM, Yu Zhao wrote:
> For pte page, use pgtable_page_ctor(); for pmd page, use
> pgtable_pmd_page_ctor() if not folded; and for the rest (pud,
> p4d and pgd), don't use any.
pgtable_page_ctor()/dtor() is not optional for any level page table page
as it determines the struct page state and zone statistics. We should not
skip it for any page table page. As stated before pgtable_pmd_page_ctor()
is not a replacement for pgtable_page_ctor().
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Yu Zhao <yuzhao@google.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
linux-arch@vger.kernel.org,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, Nick Piggin <npiggin@gmail.com>,
Jun Yao <yaojun8558363@gmail.com>,
linux-mm@kvack.org,
"Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
Chintan Pandya <cpandya@codeaurora.org>,
Joel Fernandes <joel@joelfernandes.org>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Andrew Morton <akpm@linux-foundation.org>,
Laura Abbott <labbott@redhat.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/3] arm64: mm: use appropriate ctors for page tables
Date: Tue, 19 Feb 2019 09:51:01 +0530 [thread overview]
Message-ID: <863acc9a-53fb-86ad-4521-828ee8d9c222@arm.com> (raw)
In-Reply-To: <20190218231319.178224-1-yuzhao@google.com>
On 02/19/2019 04:43 AM, Yu Zhao wrote:
> For pte page, use pgtable_page_ctor(); for pmd page, use
> pgtable_pmd_page_ctor() if not folded; and for the rest (pud,
> p4d and pgd), don't use any.
pgtable_page_ctor()/dtor() is not optional for any level page table page
as it determines the struct page state and zone statistics. We should not
skip it for any page table page. As stated before pgtable_pmd_page_ctor()
is not a replacement for pgtable_page_ctor().
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-02-19 4:21 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 21:16 [PATCH] arm64: mm: enable per pmd page table lock Yu Zhao
2019-02-14 21:16 ` Yu Zhao
2019-02-18 15:12 ` Will Deacon
2019-02-18 15:12 ` Will Deacon
2019-02-18 19:49 ` Yu Zhao
2019-02-18 19:49 ` Yu Zhao
2019-02-18 20:48 ` Yu Zhao
2019-02-18 20:48 ` Yu Zhao
2019-02-19 4:09 ` Anshuman Khandual
2019-02-19 4:09 ` Anshuman Khandual
2019-02-18 23:13 ` [PATCH v2 1/3] arm64: mm: use appropriate ctors for page tables Yu Zhao
2019-02-18 23:13 ` Yu Zhao
2019-02-18 23:13 ` [PATCH v2 2/3] arm64: mm: don't call page table ctors for init_mm Yu Zhao
2019-02-18 23:13 ` Yu Zhao
2019-02-26 15:13 ` Mark Rutland
2019-02-26 15:13 ` Mark Rutland
2019-03-09 3:52 ` Yu Zhao
2019-03-09 3:52 ` Yu Zhao
2019-02-18 23:13 ` [PATCH v2 3/3] arm64: mm: enable per pmd page table lock Yu Zhao
2019-02-18 23:13 ` Yu Zhao
2019-02-19 4:21 ` Anshuman Khandual [this message]
2019-02-19 4:21 ` [PATCH v2 1/3] arm64: mm: use appropriate ctors for page tables Anshuman Khandual
2019-02-19 5:32 ` Yu Zhao
2019-02-19 5:32 ` Yu Zhao
2019-02-19 6:17 ` Anshuman Khandual
2019-02-19 6:17 ` Anshuman Khandual
2019-02-19 22:28 ` Yu Zhao
2019-02-19 22:28 ` Yu Zhao
2019-02-20 10:27 ` Anshuman Khandual
2019-02-20 10:27 ` Anshuman Khandual
2019-02-20 12:24 ` Matthew Wilcox
2019-02-20 12:24 ` Matthew Wilcox
2019-02-20 20:22 ` Yu Zhao
2019-02-20 20:22 ` Yu Zhao
2019-02-20 20:59 ` Matthew Wilcox
2019-02-20 20:59 ` Matthew Wilcox
2019-02-20 20:59 ` Matthew Wilcox
2019-02-20 1:34 ` Matthew Wilcox
2019-02-20 1:34 ` Matthew Wilcox
2019-02-20 1:34 ` Matthew Wilcox
2019-02-20 3:20 ` Anshuman Khandual
2019-02-20 3:20 ` Anshuman Khandual
2019-02-20 21:03 ` Matthew Wilcox
2019-02-20 21:03 ` Matthew Wilcox
2019-02-20 21:03 ` Matthew Wilcox
2019-02-26 15:12 ` Mark Rutland
2019-02-26 15:12 ` Mark Rutland
2019-03-09 4:01 ` Yu Zhao
2019-03-09 4:01 ` Yu Zhao
2019-03-09 4:01 ` Yu Zhao
2019-03-10 1:19 ` [PATCH v3 " Yu Zhao
2019-03-10 1:19 ` Yu Zhao
2019-03-10 1:19 ` Yu Zhao
2019-03-10 1:19 ` [PATCH v3 2/3] arm64: mm: don't call page table ctors for init_mm Yu Zhao
2019-03-10 1:19 ` Yu Zhao
2019-03-10 1:19 ` Yu Zhao
2019-03-10 1:19 ` [PATCH v3 3/3] arm64: mm: enable per pmd page table lock Yu Zhao
2019-03-10 1:19 ` Yu Zhao
2019-03-10 1:19 ` Yu Zhao
2019-03-11 8:28 ` Anshuman Khandual
2019-03-11 8:28 ` Anshuman Khandual
2019-03-11 23:10 ` Yu Zhao
2019-03-11 23:10 ` Yu Zhao
2019-03-11 12:12 ` Mark Rutland
2019-03-11 12:12 ` Mark Rutland
2019-03-11 12:57 ` Anshuman Khandual
2019-03-11 12:57 ` Anshuman Khandual
2019-03-11 23:11 ` Yu Zhao
2019-03-11 23:11 ` Yu Zhao
2019-03-11 23:11 ` Yu Zhao
2019-03-11 7:45 ` [PATCH v3 1/3] arm64: mm: use appropriate ctors for page tables Anshuman Khandual
2019-03-11 7:45 ` Anshuman Khandual
2019-03-11 23:23 ` Yu Zhao
2019-03-11 23:23 ` Yu Zhao
2019-03-12 0:57 ` [PATCH v4 1/4] " Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 0:57 ` [PATCH v4 2/4] arm64: mm: don't call page table ctors for init_mm Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 0:57 ` [PATCH v4 3/4] arm64: mm: call ctor for stage2 pmd page Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 2:19 ` [PATCH] KVM: ARM: Remove pgtable page standard functions from stage-2 page tables Anshuman Khandual
2019-03-12 2:19 ` Anshuman Khandual
2019-03-12 2:40 ` Yu Zhao
2019-03-12 2:40 ` Yu Zhao
2019-03-12 10:37 ` Suzuki K Poulose
2019-03-12 10:37 ` Suzuki K Poulose
2019-03-12 11:31 ` Anshuman Khandual
2019-03-12 11:31 ` Anshuman Khandual
2019-03-12 11:43 ` Suzuki K Poulose
2019-03-12 11:43 ` Suzuki K Poulose
2019-03-12 13:25 ` [PATCH V2] " Anshuman Khandual
2019-03-12 13:25 ` Anshuman Khandual
2019-04-01 16:16 ` Will Deacon
2019-04-01 16:16 ` Will Deacon
2019-04-01 16:16 ` Will Deacon
2019-04-01 18:34 ` Yu Zhao
2019-04-01 18:34 ` Yu Zhao
2019-04-01 18:34 ` Yu Zhao
2019-04-02 9:03 ` Will Deacon
2019-04-02 9:03 ` Will Deacon
2019-04-02 9:03 ` Will Deacon
2019-04-08 14:22 ` Will Deacon
2019-04-08 14:22 ` Will Deacon
2019-04-08 14:22 ` Will Deacon
2019-04-08 14:22 ` Will Deacon
2019-04-08 17:18 ` Yu Zhao
2019-04-08 17:18 ` Yu Zhao
2019-04-08 17:18 ` Yu Zhao
2019-04-08 9:09 ` Marc Zyngier
2019-04-08 9:09 ` Marc Zyngier
2019-04-08 9:09 ` Marc Zyngier
2019-04-08 9:09 ` Marc Zyngier
2019-03-12 0:57 ` [PATCH v4 4/4] arm64: mm: enable per pmd page table lock Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-03-12 0:57 ` Yu Zhao
2019-02-19 3:08 ` [PATCH] " Anshuman Khandual
2019-02-19 3:08 ` Anshuman Khandual
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