[PATCH v2 11/14] arm, crash: wrap crash dumping code into crash related ifdefs

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Now crash codes under kernel/ folder has been split out from kexec
code, crash dumping can be separated from kexec reboot in config
items on arm with some adjustments.

Here use IS_ENABLED(CONFIG_CRASH_RESERVE) check to decide if compiling
in the crashkernel reservation code.

Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
---
 arch/arm/kernel/setup.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index ff2299ce1ad7..cf0b3798179f 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -979,7 +979,6 @@ static int __init init_machine_late(void)
 }
 late_initcall(init_machine_late);
 
-#ifdef CONFIG_KEXEC
 /*
  * The crash region must be aligned to 128MB to avoid
  * zImage relocating below the reserved region.
@@ -1007,6 +1006,9 @@ static void __init reserve_crashkernel(void)
 	unsigned long long total_mem;
 	int ret;
 
+	if (!IS_ENABLED(CONFIG_CRASH_RESERVE))
+		return;
+
 	total_mem = get_total_mem();
 	ret = parse_crashkernel(boot_command_line, total_mem,
 				&crash_size, &crash_base,
@@ -1064,9 +1066,6 @@ static void __init reserve_crashkernel(void)
 		insert_resource(&iomem_resource, &crashk_boot_res);
 	}
 }
-#else
-static inline void reserve_crashkernel(void) {}
-#endif /* CONFIG_KEXEC */
 
 void __init hyp_mode_check(void)
 {
-- 
2.41.0


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