Messages in this thread Patch in this message | | | From | Jisheng Zhang <> | Subject | [PATCH v2 4/5] arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef | Date | Tue, 7 Dec 2021 00:05:13 +0800 |
| |
Replace the conditional compilation using "#ifdef CONFIG_KEXEC_CORE" by a check for "IS_ENABLED(CONFIG_KEXEC_CORE)", to simplify the code and increase compile coverage.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> --- arch/arm64/mm/init.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index a8834434af99..b4b8b4dc2d31 100644 --- 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 -- 2.34.1
| |