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Date: Wed, 20 Oct 2021 10:03:08 +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>, Nicolas Saenz Julienne <nsaenzjulienne@...e.de>, Feng Zhou <zhoufeng.zf@...edance.com>, Kefeng Wang <wangkefeng.wang@...wei.com> Subject: [PATCH v15 01/10] x86: kdump: replace the hard-coded alignment with macro CRASH_ALIGN From: Chen Zhou <chenzhou10@...wei.com> Move CRASH_ALIGN to header asm/kexec.h for later use. Suggested-by: Dave Young <dyoung@...hat.com> Suggested-by: Baoquan He <bhe@...hat.com> Signed-off-by: Chen Zhou <chenzhou10@...wei.com> Tested-by: John Donnelly <John.p.donnelly@...cle.com> --- arch/x86/include/asm/kexec.h | 3 +++ arch/x86/kernel/setup.c | 3 --- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h index 0a6e34b07017586..5f63ad6b6e74b15 100644 --- a/arch/x86/include/asm/kexec.h +++ b/arch/x86/include/asm/kexec.h @@ -18,6 +18,9 @@ # define KEXEC_CONTROL_CODE_MAX_SIZE 2048 +/* 16M alignment for crash kernel regions */ +#define CRASH_ALIGN SZ_16M + #ifndef __ASSEMBLY__ #include <linux/string.h> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 40ed44ead063128..3d394127dc03d20 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -392,9 +392,6 @@ static void __init memblock_x86_reserve_range_setup_data(void) #ifdef CONFIG_KEXEC_CORE -/* 16M alignment for crash kernel regions */ -#define CRASH_ALIGN SZ_16M - /* * Keep the crash kernel below this limit. * -- 2.25.1
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