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| author | Jisheng Zhang <jszhang@kernel.org> | 2022-02-02 12:04:55 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2022-02-02 12:04:55 +1100 |
| commit | 0f2ab164be1dd52a8f35ba9ed31882378e40eb19 (patch) | |
| tree | 9b30cd0b1051ed4e6e2c53fde9dcd59199ac29ea | |
| parent | db5f73ec0e2703c5682872cb3f1e55b489c3a532 (diff) | |
| download | linux-0f2ab164be1dd52a8f35ba9ed31882378e40eb19.tar.gz linux-0f2ab164be1dd52a8f35ba9ed31882378e40eb19.tar.xz | |
riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
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.
Link: https://lkml.kernel.org/r/20211206160514.2000-3-jszhang@kernel.org
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
| -rw-r--r-- | arch/riscv/mm/init.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index cf4d018b7d66..4f9cf5337b4f 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -955,7 +955,6 @@ static inline void setup_vm_final(void) } #endif /* CONFIG_MMU */ -#ifdef CONFIG_KEXEC_CORE /* * reserve_crashkernel() - reserves memory for crash kernel * @@ -972,6 +971,8 @@ 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 @@ -1021,7 +1022,6 @@ 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) { @@ -1035,9 +1035,7 @@ void __init misc_mem_init(void) arch_numa_init(); sparse_init(); zone_sizes_init(); -#ifdef CONFIG_KEXEC_CORE reserve_crashkernel(); -#endif memblock_dump_all(); } |