From: Borislav Petkov <[email protected]> Use a macro instead. No functionality change.
Reviewed-by: Dave Young <[email protected]> Reviewed-by: Joerg Roedel <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: [email protected] Cc: Jiri Kosina <[email protected]> Cc: Juergen Gross <[email protected]> Cc: Mark Salter <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: WANG Chao <[email protected]> Cc: x86-ml <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> --- arch/x86/kernel/setup.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index fd9e178aa890..ea086dd8e821 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; -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
