From: Baoquan He <bhe@redhat•com>
To: Chen Zhou <chenzhou10@huawei•com>
Cc: linux-arm-kernel@lists•infradead.org, John.P.donnelly@oracle•com,
wangkefeng.wang@huawei•com, xiexiuqi@huawei•com, arnd@arndb•de,
horms@verge•net.au, corbet@lwn•net, catalin.marinas@arm•com,
dyoung@redhat•com, guohanjun@huawei•com,
linux-kernel@vger•kernel.org, robh+dt@kernel•org,
linux-doc@vger•kernel.org, mingo@redhat•com, james.morse@arm•com,
nsaenzjulienne@suse•de, huawei.libin@huawei•com,
prabhakar.pkin@gmail•com, tglx@linutronix•de, will@kernel•org,
rppt@kernel•org
Subject: Re: [PATCH v14 02/11] x86: kdump: make the lower bound of crash kernel reservation consistent
Date: Thu, 18 Feb 2021 11:33:52 +0800 [thread overview]
Message-ID: <20210218033233.GF2871@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20210130071025.65258-3-chenzhou10@huawei.com>
On 01/30/21 at 03:10pm, Chen Zhou wrote:
> 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@redhat•com>
> Signed-off-by: Chen Zhou <chenzhou10@huawei•com>
> Tested-by: John Donnelly <John.p.donnelly@oracle•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 da769845597d..27470479e4a3 100644
> --- a/arch/x86/kernel/setup.c
> +++ b/arch/x86/kernel/setup.c
> @@ -439,7 +439,8 @@ 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);
Acked-by: Baoquan He <bhe@redhat•com>
> if (!low_base) {
> pr_err("Cannot reserve %ldMB crashkernel low memory, please try smaller size.\n",
> (unsigned long)(low_size >> 20));
> --
> 2.20.1
>
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next prev parent reply other threads:[~2021-02-18 3:36 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-30 7:10 [PATCH v14 00/11] support reserving crashkernel above 4G on arm64 kdump Chen Zhou
2021-01-30 7:10 ` [PATCH v14 01/11] x86: kdump: replace the hard-coded alignment with macro CRASH_ALIGN Chen Zhou
2021-02-18 3:29 ` Baoquan He
2021-02-24 14:19 ` Catalin Marinas
2021-02-25 7:25 ` Baoquan He
2021-02-26 6:45 ` chenzhou
2021-02-26 15:38 ` Eric W. Biederman
2021-03-02 7:43 ` Baoquan He
2021-03-29 2:34 ` chenzhou
2021-01-30 7:10 ` [PATCH v14 02/11] x86: kdump: make the lower bound of crash kernel reservation consistent Chen Zhou
2021-02-18 3:33 ` Baoquan He [this message]
2021-02-24 14:35 ` Catalin Marinas
2021-02-25 7:08 ` Baoquan He
2021-02-25 14:42 ` Catalin Marinas
2021-02-25 15:44 ` Baoquan He
2021-02-26 7:32 ` chenzhou
2021-01-30 7:10 ` [PATCH v14 03/11] x86: kdump: use macro CRASH_ADDR_LOW_MAX in functions reserve_crashkernel() Chen Zhou
2021-02-18 8:23 ` Baoquan He
2021-01-30 7:10 ` [PATCH v14 04/11] x86: kdump: move xen_pv_domain() check and insert_resource() to setup_arch() Chen Zhou
2021-02-18 4:14 ` Baoquan He
2021-01-30 7:10 ` [PATCH v14 05/11] x86: kdump: move reserve_crashkernel[_low]() into crash_core.c Chen Zhou
2021-01-30 7:10 ` [PATCH v14 06/11] x86/elf: Move vmcore_elf_check_arch_cross to arch/x86/include/asm/elf.h Chen Zhou
2021-02-18 6:31 ` Baoquan He
2021-02-18 7:05 ` chenzhou
2021-01-30 7:10 ` [PATCH v14 07/11] arm64: kdump: introduce some macroes for crash kernel reservation Chen Zhou
2021-02-04 16:20 ` Nicolas Saenz Julienne
2021-02-04 16:27 ` Nicolas Saenz Julienne
2021-01-30 7:10 ` [PATCH v14 08/11] arm64: kdump: reimplement crashkernel=X Chen Zhou
2021-02-24 16:04 ` Catalin Marinas
2021-02-26 10:31 ` chenzhou
2021-02-26 10:43 ` chenzhou
2021-01-30 7:10 ` [PATCH v14 09/11] x86, arm64: Add ARCH_WANT_RESERVE_CRASH_KERNEL config Chen Zhou
2021-02-18 7:31 ` Baoquan He
2021-02-18 7:40 ` Baoquan He
2021-02-18 8:35 ` Baoquan He
2021-02-20 3:22 ` chenzhou
2021-01-30 7:10 ` [PATCH v14 10/11] arm64: kdump: add memory for devices by DT property linux, usable-memory-range Chen Zhou
2021-01-30 7:10 ` [PATCH v14 11/11] kdump: update Documentation about crashkernel Chen Zhou
2021-01-30 17:53 ` Randy Dunlap
2021-02-04 1:53 ` chenzhou
2021-02-18 8:40 ` Baoquan He
2021-02-20 3:25 ` chenzhou
2021-02-08 6:46 ` [PATCH v14 00/11] support reserving crashkernel above 4G on arm64 kdump chenzhou
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