From: Catalin Marinas <catalin.marinas@arm.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
"Will Deacon" <will@kernel.org>,
"Ard Biesheuvel" <ardb@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"James Morse" <james.morse@arm.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Jérôme Glisse" <jglisse@redhat.com>,
"Dan Williams" <dan.j.williams@intel.com>,
"David Hildenbrand" <david@redhat.com>,
"Mike Rapoport" <rppt@linux.ibm.com>,
"Veronika Kabatova" <vkabatov@redhat.com>
Subject: Re: [PATCH V3 2/2] arm64/mm: Reorganize pfn_valid()
Date: Mon, 8 Mar 2021 18:00:58 +0000 [thread overview]
Message-ID: <20210308180057.GH15644@arm.com> (raw)
In-Reply-To: <1614921898-4099-3-git-send-email-anshuman.khandual@arm.com>
On Fri, Mar 05, 2021 at 10:54:58AM +0530, Anshuman Khandual wrote:
> There are multiple instances of pfn_to_section_nr() and __pfn_to_section()
> when CONFIG_SPARSEMEM is enabled. This can be optimized if memory section
> is fetched earlier. This replaces the open coded PFN and ADDR conversion
> with PFN_PHYS() and PHYS_PFN() helpers. While there, also add a comment.
> This does not cause any functional change.
>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Ard Biesheuvel <ardb@kernel.org>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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next prev parent reply other threads:[~2021-03-08 18:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-05 5:24 [PATCH V3 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Anshuman Khandual
2021-03-05 5:24 ` [PATCH V3 1/2] " Anshuman Khandual
2021-03-05 18:13 ` Catalin Marinas
2021-03-05 18:24 ` David Hildenbrand
2021-03-08 11:29 ` Catalin Marinas
2021-03-08 17:59 ` Catalin Marinas
2021-03-05 5:24 ` [PATCH V3 2/2] arm64/mm: Reorganize pfn_valid() Anshuman Khandual
2021-03-08 18:00 ` Catalin Marinas [this message]
2021-03-05 5:38 ` [PATCH V3 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Anshuman Khandual
2021-03-05 12:28 ` Veronika Kabatova
2021-03-05 18:16 ` Veronika Kabatova
2021-03-05 18:22 ` Catalin Marinas
2021-03-08 19:16 ` Will Deacon
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