[RFC PATCH 2/5] riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
From: Jisheng Zhang <jszhang@kernel.org>
Date: 2021-12-03 05:19:25
Also in:
kexec, linux-riscv, lkml
Subsystem:
risc-v architecture, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
Replace the conditional compilation using "#ifdef CONFIG_KEXEC_CORE" by a check for "IS_ENABLED(CONFIG_BLK_DEV_INITRD)", to simplify the code and increase compile coverage. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- arch/riscv/mm/init.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index aeae7d6b2fee..704e2463e976 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c@@ -755,7 +755,6 @@ static inline void setup_vm_final(void) } #endif /* CONFIG_MMU */ -#ifdef CONFIG_KEXEC_CORE /* * reserve_crashkernel() - reserves memory for crash kernel *
@@ -772,6 +771,8 @@ 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
@@ -812,7 +813,6 @@ 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) {
@@ -826,9 +826,7 @@ void __init misc_mem_init(void) arch_numa_init(); sparse_init(); zone_sizes_init(); -#ifdef CONFIG_KEXEC_CORE reserve_crashkernel(); -#endif memblock_dump_all(); }
--
2.34.1
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