Use memblock_is_region_reserved instead of memblock_find_in_range to simplify the check codes, and gain a little speed benefit.
Signed-off-by: Wang YanQing <[email protected]> --- arch/x86/kernel/setup.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 90d8cc9..9d60c85 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -577,11 +577,7 @@ static void __init reserve_crashkernel(void) } } else { - unsigned long long start; - - start = memblock_find_in_range(crash_base, - crash_base + crash_size, crash_size, 1<<20); - if (start != crash_base) { + if (memblock_is_region_reserved(crash_base, crash_size)) { pr_info("crashkernel reservation failed - memory is in use.\n"); return; } -- 1.7.12.4.dirty -- 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/
