The patch titled
Subject: x86/crash: use SZ_1M macro instead of hardcoded value
has been added to the -mm mm-nonmm-unstable branch. Its filename is
x86-crash-use-sz_1m-macro-instead-of-hardcoded-value.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-crash-use-sz_1m-macro-instead-of-hardcoded-value.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Yuntao Wang <ytcoode@xxxxxxxxx>
Subject: x86/crash: use SZ_1M macro instead of hardcoded value
Date: Fri, 15 Dec 2023 00:38:41 +0800
Use SZ_1M macro instead of hardcoded 1<<20 to make code more readable.
Link: https://lkml.kernel.org/r/20231214163842.129139-3-ytcoode@xxxxxxxxx
Signed-off-by: Yuntao Wang <ytcoode@xxxxxxxxx>
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Dave Young <dyoung@xxxxxxxxxx>
Cc: Eric DeVolder <eric.devolder@xxxxxxxxxx>
Cc: Hari Bathini <hbathini@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Lianbo Jiang <lijiang@xxxxxxxxxx>
Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
Cc: Sourabh Jain <sourabhjain@xxxxxxxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/crash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/crash.c~x86-crash-use-sz_1m-macro-instead-of-hardcoded-value
+++ a/arch/x86/kernel/crash.c
@@ -170,7 +170,7 @@ static int elf_header_exclude_ranges(str
int ret = 0;
/* Exclude the low 1M because it is always reserved */
- ret = crash_exclude_mem_range(cmem, 0, (1<<20)-1);
+ ret = crash_exclude_mem_range(cmem, 0, SZ_1M - 1);
if (ret)
return ret;
_
Patches currently in -mm which might be from ytcoode@xxxxxxxxx are
kexec-use-align-macro-instead-of-open-coding-it.patch
x86-kexec-simplify-the-logic-of-mem_region_callback.patch
x86-crash-remove-the-unused-image-parameter-from-prepare_elf_headers.patch
x86-crash-use-sz_1m-macro-instead-of-hardcoded-value.patch
crash_core-fix-and-simplify-the-logic-of-crash_exclude_mem_range.patch
