From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 41hc4K70k4zF2DT for ; Fri, 3 Aug 2018 16:06:25 +1000 (AEST) Received: by mail-pf1-x442.google.com with SMTP id j8-v6so2662317pff.6 for ; Thu, 02 Aug 2018 23:06:25 -0700 (PDT) From: Rashmica Gupta To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au, mikey@neuling.org, benh@kernel.crashing.org, paulus@samba.org, bsingharora@gmail.com Cc: Rashmica Gupta Subject: [PATCH 2/2] Update documentation on ppc-memtrace Date: Fri, 3 Aug 2018 16:06:01 +1000 Message-Id: <20180803060601.724-2-rashmica.g@gmail.com> In-Reply-To: <20180803060601.724-1-rashmica.g@gmail.com> References: <20180803060601.724-1-rashmica.g@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Rashmica Gupta --- Documentation/ABI/testing/ppc-memtrace | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/Documentation/ABI/testing/ppc-memtrace b/Documentation/ABI/testing/ppc-memtrace index 2e8b93741270..9606aed33137 100644 --- a/Documentation/ABI/testing/ppc-memtrace +++ b/Documentation/ABI/testing/ppc-memtrace @@ -13,10 +13,11 @@ Contact: linuxppc-dev@lists.ozlabs.org Description: Write an integer containing the size in bytes of the memory you want removed from each NUMA node to this file - it must be aligned to the memblock size. This amount of RAM will be removed - from the kernel mappings and the following debugfs files will be - created. This can only be successfully done once per boot. Once - memory is successfully removed from each node, the following - files are created. + from each NUMA node in the kernel mappings and the following + debugfs files will be created. Once memory is successfully + removed from each node, the following files are created. To + re-add memory to the kernel, echo 0 into this file (it will be + automatically onlined). What: /sys/kernel/debug/powerpc/memtrace/ Date: Aug 2017 -- 2.14.4