diff options
| author | Borislav Petkov <bp@suse.de> | 2015-10-19 09:17:44 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-21 09:10:56 (GMT) |
| commit | 606134f77ce22997fd2800d5937698d85c6990d9 (patch) | |
| tree | bea55a8149870b5a0ce7e4b96578009ab940dd88 | |
| parent | 97eac21babe47e1a8ed4cac4f8874c5746cf6e36 (diff) | |
| download | linux-606134f77ce22997fd2800d5937698d85c6990d9.tar.xz | |
x86/setup/crash: Remove alignment variable
Use a macro instead. No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Dave Young <dyoung@redhat.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: WANG Chao <chaowang@redhat.com>
Cc: jerry_hoemann@hp.com
Link: http://lkml.kernel.org/r/1445246268-26285-5-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/x86/kernel/setup.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index fd9e178..ea086dd 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -480,6 +480,9 @@ static void __init memblock_x86_reserve_range_setup_data(void) #ifdef CONFIG_KEXEC_CORE +/* 16M alignment for crash kernel regions */ +#define CRASH_ALIGN (16 << 20) + /* * Keep the crash kernel below this limit. On 32 bits earlier kernels * would limit the kernel to the low 512 MiB due to mapping restrictions. @@ -496,7 +499,6 @@ static void __init memblock_x86_reserve_range_setup_data(void) static int __init reserve_crashkernel_low(void) { #ifdef CONFIG_X86_64 - const unsigned long long alignment = 16<<20; /* 16M */ unsigned long long low_base = 0, low_size = 0; unsigned long total_low_mem; unsigned long long base; @@ -525,7 +527,7 @@ static int __init reserve_crashkernel_low(void) return 0; } - low_base = memblock_find_in_range(low_size, 1ULL << 32, low_size, alignment); + low_base = memblock_find_in_range(low_size, 1ULL << 32, low_size, CRASH_ALIGN); if (!low_base) { pr_err("Cannot reserve %ldMB crashkernel low memory, please try smaller size.\n", (unsigned long)(low_size >> 20)); @@ -548,7 +550,6 @@ static int __init reserve_crashkernel_low(void) static void __init reserve_crashkernel(void) { - const unsigned long long alignment = 16<<20; /* 16M */ unsigned long long total_mem; unsigned long long crash_size, crash_base; bool high = false; @@ -572,10 +573,10 @@ static void __init reserve_crashkernel(void) /* * kexec want bzImage is below CRASH_KERNEL_ADDR_MAX */ - crash_base = memblock_find_in_range(alignment, + crash_base = memblock_find_in_range(CRASH_ALIGN, high ? CRASH_ADDR_HIGH_MAX : CRASH_ADDR_LOW_MAX, - crash_size, alignment); + crash_size, CRASH_ALIGN); if (!crash_base) { pr_info("crashkernel reservation failed - No suitable area found.\n"); return; |