From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f182.google.com (mail-pf0-f182.google.com [209.85.192.182]) by kanga.kvack.org (Postfix) with ESMTP id ACF6B6B0005 for ; Tue, 9 Feb 2016 16:20:13 -0500 (EST) Received: by mail-pf0-f182.google.com with SMTP id q63so35214pfb.0 for ; Tue, 09 Feb 2016 13:20:13 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id a84si11854104pfj.109.2016.02.09.13.20.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Feb 2016 13:20:12 -0800 (PST) Date: Tue, 9 Feb 2016 13:20:12 -0800 From: Andrew Morton Subject: Re: [PATCH] thp, vmstats: count deferred split events Message-Id: <20160209132012.db18cdd7203b1d8b29483657@linux-foundation.org> In-Reply-To: <1455009302-57702-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1455009302-57702-1-git-send-email-kirill.shutemov@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Andrea Arcangeli , linux-mm@kvack.org On Tue, 9 Feb 2016 12:15:02 +0300 "Kirill A. Shutemov" wrote: > Counts how many times we put a THP in split queue. Currently, it happens > on partial unmap of a THP. Why do we need this? > --- a/mm/vmstat.c > +++ b/mm/vmstat.c > @@ -847,6 +847,7 @@ const char * const vmstat_text[] = { > "thp_collapse_alloc_failed", > "thp_split_page", > "thp_split_page_failed", > + "thp_deferred_split_page", > "thp_split_pmd", > "thp_zero_page_alloc", > "thp_zero_page_alloc_failed", Documentation/vm/transhuge.txt, please. While you're in there please check that we haven't missed anything else. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org