[PATCH v16 01/11] x86: kdump: replace the hard-coded alignment with macro CRASH_ALIGN
From: Zhen Lei <hidden>
Date: 2021-11-23 12:49:33
Also in:
kexec, linux-arm-kernel, linux-doc, lkml
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From: Chen Zhou <redacted> Move CRASH_ALIGN to header asm/kexec.h for later use. Suggested-by: Dave Young <redacted> Suggested-by: Baoquan He <bhe@redhat.com> Signed-off-by: Chen Zhou <redacted> Tested-by: John Donnelly <redacted> --- 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 11b7c06e2828c30..3a22e65262aa70b 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 c410be738ae78e0..b7286d4c389dd33 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