Date: Thu, 22 Apr 2021 12:06:29 +0000 From: "Moore, Martin (Linux ERT)" <martin.moore(a)hpe.com&gt; To: "Discussion list for crash utility usage, maintenance and development" <crash-utility(a)redhat.com&gt; Subject: Re: [Crash-utility] [PATCH] Skip alternate hz calculation in Linux 4.8+ Message-ID: <AT5PR8401MB1300438F403F7A3A9B6A12DC91469(a)AT5PR8401MB1300.NAMPRD84.PROD.OUTLOOK.COM&gt; Content-Type: text/plain; charset="us-ascii" Hi Kazu, > Thank you for the report and patch, there is another discussion about the HZ calculation [1], but anyway I think we should have this patch. > Acked-by: Kazuhito Hagio <k-hagio-ab(a)nec.com&gt; > Could I have your Signed-off-by: tag? Yes, included below. Thanks. --- task.c.orig 2021-04-14 16:07:52.021137849 -0400 +++ task.c 2021-04-14 16:11:03.406626370 -0400 @@ -417,7 +417,8 @@ STRUCT_SIZE_INIT(cputime_t, "cputime_t"); - if (symbol_exists("cfq_slice_async")) { + if ((THIS_KERNEL_VERSION < LINUX(4,8,0)) && + symbol_exists("cfq_slice_async")) { uint cfq_slice_async; get_symbol_data("cfq_slice_async", sizeof(int), Signed-off-by: Martin Moore <martin.moore(a)hpe.com&gt;