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Date: Wed, 20 Oct 2021 10:03:09 +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 02/10] x86: kdump: make the lower bound of crash kernel reservation consistent From: Chen Zhou <chenzhou10@...wei.com> The lower bounds of crash kernel reservation and crash kernel low reservation are different, use the consistent value CRASH_ALIGN. Suggested-by: Dave Young <dyoung@...hat.com> Signed-off-by: Chen Zhou <chenzhou10@...wei.com> Tested-by: John Donnelly <John.p.donnelly@...cle.com> --- arch/x86/kernel/setup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 3d394127dc03d20..5bebd46c7ce81f5 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -441,7 +441,8 @@ static int __init reserve_crashkernel_low(void) return 0; } - low_base = memblock_phys_alloc_range(low_size, CRASH_ALIGN, 0, CRASH_ADDR_LOW_MAX); + low_base = memblock_phys_alloc_range(low_size, CRASH_ALIGN, CRASH_ALIGN, + CRASH_ADDR_LOW_MAX); if (!low_base) { pr_err("Cannot reserve %ldMB crashkernel low memory, please try smaller size.\n", (unsigned long)(low_size >> 20)); -- 2.25.1
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