linux-kernel - [PATCH 3/4] kdump: make parse_crashkernel

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Message-ID: <20211225072327.1807-4-thunder.leizhen@huawei.com>
Date:   Sat, 25 Dec 2021 15:23:26 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        <x86@...nel.org>, "H . Peter Anvin" <hpa@...or.com>,
        <linux-kernel@...r.kernel.org>, Dave Young <dyoung@...hat.com>,
        Baoquan He <bhe@...hat.com>, Vivek Goyal <vgoyal@...hat.com>,
        Eric Biederman <ebiederm@...ssion.com>,
        <kexec@...ts.infradead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        "Will Deacon" <will@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        <devicetree@...r.kernel.org>, Jonathan Corbet <corbet@....net>,
        <linux-doc@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Feng Zhou <zhoufeng.zf@...edance.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Chen Zhou <dingguo.cz@...group.com>,
        "John Donnelly" <John.p.donnelly@...cle.com>
Subject: [PATCH 3/4] kdump: make parse_crashkernel_{high|low}() static

Make parse_crashkernel_{high|low}() static, they are only referenced by
parse_crashkernel_high_low() in the same file. The latter is recommended.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 include/linux/crash_core.h | 4 ----
 kernel/crash_core.c        | 4 ++--
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 2d3a64761d18998..598fd55d83c169e 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -79,10 +79,6 @@ void final_note(Elf_Word *buf);
 
 int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
 		unsigned long long *crash_size, unsigned long long *crash_base);
-int parse_crashkernel_high(char *cmdline, unsigned long long system_ram,
-		unsigned long long *crash_size, unsigned long long *crash_base);
-int parse_crashkernel_low(char *cmdline, unsigned long long system_ram,
-		unsigned long long *crash_size, unsigned long long *crash_base);
 int __init parse_crashkernel_high_low(char *cmdline,
 				      unsigned long long *high_size,
 				      unsigned long long *low_size);
diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 8ab59a0e04f178f..97001820396295e 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -277,7 +277,7 @@ int __init parse_crashkernel(char *cmdline,
 					"crashkernel=", NULL);
 }
 
-int __init parse_crashkernel_high(char *cmdline,
+static int __init parse_crashkernel_high(char *cmdline,
 			     unsigned long long system_ram,
 			     unsigned long long *crash_size,
 			     unsigned long long *crash_base)
@@ -286,7 +286,7 @@ int __init parse_crashkernel_high(char *cmdline,
 				"crashkernel=", suffix_tbl[SUFFIX_HIGH]);
 }
 
-int __init parse_crashkernel_low(char *cmdline,
+static int __init parse_crashkernel_low(char *cmdline,
 			     unsigned long long system_ram,
 			     unsigned long long *crash_size,
 			     unsigned long long *crash_base)
-- 
2.25.1