diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm64/mm/init.c | 9 | ||||
-rw-r--r-- | arch/riscv/mm/init.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/setup.c | 10 |
3 files changed, 8 insertions, 17 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 9e26ec80d317..8ac25f19084e 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -90,7 +90,6 @@ phys_addr_t __ro_after_init arm64_dma_phys_limit; phys_addr_t __ro_after_init arm64_dma_phys_limit = PHYS_MASK + 1; #endif -#ifdef CONFIG_KEXEC_CORE /* * reserve_crashkernel() - reserves memory for crash kernel * @@ -104,6 +103,9 @@ 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 */ @@ -136,11 +138,6 @@ 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 diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 0d588032d6e6..f6275b317129 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -957,7 +957,6 @@ static inline void setup_vm_final(void) } #endif /* CONFIG_MMU */ -#ifdef CONFIG_KEXEC_CORE /* * reserve_crashkernel() - reserves memory for crash kernel * @@ -974,6 +973,8 @@ static void __init reserve_crashkernel(void) int ret = 0; + if (!IS_ENABLED(CONFIG_KEXEC_CORE)) + return; /* * Don't reserve a region for a crash kernel on a crash kernel * since it doesn't make much sense and we have limited memory @@ -1023,7 +1024,6 @@ static void __init reserve_crashkernel(void) crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; } -#endif /* CONFIG_KEXEC_CORE */ void __init paging_init(void) { @@ -1037,9 +1037,7 @@ void __init misc_mem_init(void) arch_numa_init(); sparse_init(); zone_sizes_init(); -#ifdef CONFIG_KEXEC_CORE reserve_crashkernel(); -#endif memblock_dump_all(); } diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 90d7e1788c91..c95b9ac5a457 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -411,8 +411,6 @@ static void __init memblock_x86_reserve_range_setup_data(void) * --------- Crashkernel reservation ------------------------------ */ -#ifdef CONFIG_KEXEC_CORE - /* 16M alignment for crash kernel regions */ #define CRASH_ALIGN SZ_16M @@ -490,6 +488,9 @@ static void __init reserve_crashkernel(void) bool high = false; int ret; + if (!IS_ENABLED(CONFIG_KEXEC_CORE)) + return; + total_mem = memblock_phys_mem_size(); /* crashkernel=XM */ @@ -555,11 +556,6 @@ static void __init reserve_crashkernel(void) crashk_res.end = crash_base + crash_size - 1; insert_resource(&iomem_resource, &crashk_res); } -#else -static void __init reserve_crashkernel(void) -{ -} -#endif static struct resource standard_io_resources[] = { { .name = "dma1", .start = 0x00, .end = 0x1f, |