linux-kernel - [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW

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Date: Tue, 26 Dec 2023 19:22:39 +0800
From: Youling Tang <youling.tang@...look.com>
To: Baoquan He <bhe@...hat.com>
Cc: Huacai Chen <chenhuacai@...ngson.cn>,
	linux-kernel@...r.kernel.org,
	Youling Tang <tangyouling@...inos.cn>
Subject: [PATCH] kdump: Remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE

From: Youling Tang <tangyouling@...inos.cn>

Remove duplicate definitions, no functional changes.

Reported-by: Huacai Chen <chenhuacai@...ngson.cn>
Signed-off-by: Youling Tang <tangyouling@...inos.cn>
---
 include/linux/crash_core.h | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 5126a4fecb44..02397c5639fe 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -87,16 +87,6 @@ Elf_Word *append_elf_note(Elf_Word *buf, char *name, unsigned int type,
 			  void *data, size_t data_len);
 void final_note(Elf_Word *buf);
 
-#ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
-#ifndef DEFAULT_CRASH_KERNEL_LOW_SIZE
-#define DEFAULT_CRASH_KERNEL_LOW_SIZE  (128UL << 20)
-#endif
-#endif
-
-int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
-		unsigned long long *crash_size, unsigned long long *crash_base,
-		unsigned long long *low_size, bool *high);
-
 #ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
 #ifndef DEFAULT_CRASH_KERNEL_LOW_SIZE
 #define DEFAULT_CRASH_KERNEL_LOW_SIZE	(128UL << 20)
@@ -111,6 +101,10 @@ int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
 #define CRASH_ADDR_HIGH_MAX		memblock_end_of_DRAM()
 #endif
 
+int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
+		unsigned long long *crash_size, unsigned long long *crash_base,
+		unsigned long long *low_size, bool *high);
+
 void __init reserve_crashkernel_generic(char *cmdline,
 		unsigned long long crash_size,
 		unsigned long long crash_base,
-- 
2.40.0