From: James Morse <james.morse@arm.com>
To: David Hildenbrand <david@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
linux-s390@vger.kernel.org,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Bhupesh Sharma <bhsharma@redhat.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org,
Matthew Wilcox <willy@infradead.org>,
Michal Hocko <mhocko@kernel.org>,
linux-mm@kvack.org, linux-m68k@lists.linux-m68k.org,
Dave Kleikamp <dave.kleikamp@oracle.com>,
linux-mediatek@lists.infradead.org,
linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC 6/7] arm64: kexec: no need to ClearPageReserved()
Date: Wed, 5 Dec 2018 14:00:35 +0000 [thread overview]
Message-ID: <ce6a4c28-3c3b-329e-df01-325294bd9b2e@arm.com> (raw)
In-Reply-To: <20181205122851.5891-7-david@redhat.com>
Hi David,
(CC: +Akashi)
On 05/12/2018 12:28, David Hildenbrand wrote:
> This will already be done by free_reserved_page().
(will already be -> will be ?)
So it does!
> diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
> index 922add8adb74..0ef4ea73aa54 100644
> --- a/arch/arm64/kernel/machine_kexec.c
> +++ b/arch/arm64/kernel/machine_kexec.c
> @@ -353,7 +353,6 @@ void crash_free_reserved_phys_range(unsigned long begin, unsigned long end)
>
> for (addr = begin; addr < end; addr += PAGE_SIZE) {
> page = phys_to_page(addr);
> - ClearPageReserved(page);
> free_reserved_page(page);
> }
> }
>
Acked-by: James Morse <james.morse@arm.com>
Thanks,
James
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next prev parent reply other threads:[~2018-12-05 14:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-05 12:28 [PATCH RFC 0/7] mm: PG_reserved cleanups and documentation David Hildenbrand
2018-12-05 12:28 ` [PATCH RFC 1/7] agp: efficeon: no need to set PG_reserved on GATT tables David Hildenbrand
2018-12-05 12:28 ` [PATCH RFC 2/7] s390/vdso: don't clear PG_reserved David Hildenbrand
2018-12-05 12:28 ` [PATCH RFC 3/7] powerpc/vdso: " David Hildenbrand
2018-12-05 12:28 ` [PATCH RFC 4/7] riscv/vdso: " David Hildenbrand
2018-12-07 18:45 ` Palmer Dabbelt
2018-12-05 12:28 ` [PATCH RFC 5/7] m68k/mm: use __ClearPageReserved() David Hildenbrand
2018-12-05 12:28 ` [PATCH RFC 6/7] arm64: kexec: no need to ClearPageReserved() David Hildenbrand
2018-12-05 14:00 ` James Morse [this message]
2018-12-05 12:28 ` [PATCH RFC 7/7] mm: better document PG_reserved David Hildenbrand
2018-12-05 12:59 ` Michal Hocko
2018-12-05 14:35 ` Matthew Wilcox
2018-12-05 15:05 ` David Hildenbrand
2018-12-05 17:32 ` Matthew Wilcox
2018-12-05 18:13 ` David Hildenbrand
2018-12-06 10:46 ` David Hildenbrand
2018-12-05 12:56 ` [PATCH RFC 0/7] mm: PG_reserved cleanups and documentation Michal Hocko
2018-12-05 13:04 ` David Hildenbrand
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