arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef

[linux-2.6-microblaze.git] / arch / arm64 / mm / init.c

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index db63cc8..3973e30 100644 (file)
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -64,7 +64,6 @@ EXPORT_SYMBOL(memstart_addr);
  */
 phys_addr_t arm64_dma_phys_limit __ro_after_init;
 
-#ifdef CONFIG_KEXEC_CORE
 /*
  * reserve_crashkernel() - reserves memory for crash kernel
  *
@@ -78,6 +77,9 @@ static void __init reserve_crashkernel(void)
        unsigned long long crash_max = arm64_dma_phys_limit;
        int ret;
 
+       if (!IS_ENABLED(CONFIG_KEXEC_CORE))
+               return;
+
        ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
                                &crash_size, &crash_base);
        /* no crashkernel= or invalid value specified */
@@ -110,11 +112,6 @@ static void __init reserve_crashkernel(void)
        crashk_res.start = crash_base;
        crashk_res.end = crash_base + crash_size - 1;
 }
-#else
-static void __init reserve_crashkernel(void)
-{
-}
-#endif /* CONFIG_KEXEC_CORE */
 
 /*
  * Return the maximum physical address for a zone accessible by the given bits