linux-kernel - [PATCH RFC 6/7] arm64: kexec: no need to ClearPageReserved()

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Message-Id: <20181205122851.5891-7-david@redhat.com>
Date:   Wed,  5 Dec 2018 13:28:50 +0100
From:   David Hildenbrand <david@...hat.com>
To:     linux-mm@...ck.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-m68k@...ts.linux-m68k.org, linuxppc-dev@...ts.ozlabs.org,
        linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        David Hildenbrand <david@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Bhupesh Sharma <bhsharma@...hat.com>,
        James Morse <james.morse@....com>,
        Marc Zyngier <marc.zyngier@....com>,
        Dave Kleikamp <dave.kleikamp@...cle.com>,
        Mark Rutland <mark.rutland@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        Matthew Wilcox <willy@...radead.org>
Subject: [PATCH RFC 6/7] arm64: kexec: no need to ClearPageReserved()

This will already be done by free_reserved_page().

Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will.deacon@....com>
Cc: Bhupesh Sharma <bhsharma@...hat.com>
Cc: James Morse <james.morse@....com>
Cc: Marc Zyngier <marc.zyngier@....com>
Cc: Dave Kleikamp <dave.kleikamp@...cle.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Michal Hocko <mhocko@...nel.org>
Cc: Matthew Wilcox <willy@...radead.org>
Signed-off-by: David Hildenbrand <david@...hat.com>
---
 arch/arm64/kernel/machine_kexec.c | 1 -
 1 file changed, 1 deletion(-)

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);
 	}
 }
-- 
2.17.2