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From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>,
	linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	"J. Bruce Fields" <bfields@fieldses.org>,
	Theodore Ts'o <tytso@mit.edu>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Dan Williams <dan.j.williams@intel.com>,
	Dave Chinner <david@fromorbit.com>,
	Ingo Molnar <mingo@redhat.com>, Jan Kara <jack@suse.com>,
	Jeff Layton <jlayton@poochiereds.net>,
	Matthew Wilcox <willy@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, linux-nvdimm@lists.01.org, x86@kernel.org,
	xfs@oss.sgi.com, Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <matthew.r.wilcox@intel.com>
Subject: Re: [PATCH v2 02/11] mm: add pmd_mkclean()
Date: Tue, 17 Nov 2015 10:52:43 -0700	[thread overview]
Message-ID: <20151117175243.GA28024@linux.intel.com> (raw)
In-Reply-To: <56468838.6010506@intel.com>

On Fri, Nov 13, 2015 at 05:02:48PM -0800, Dave Hansen wrote:
> On 11/13/2015 04:06 PM, Ross Zwisler wrote:
> > +static inline pmd_t pmd_mkclean(pmd_t pmd)
> > +{
> > +	return pmd_clear_flags(pmd, _PAGE_DIRTY | _PAGE_SOFT_DIRTY);
> > +}
> 
> pte_mkclean() doesn't clear _PAGE_SOFT_DIRTY.  What the thought behind
> doing it here?

I just wrote it to undo the work done by pmd_mkdirty() - you're right, it
should mirror the work done by pte_mkclean() and not clear _PAGE_SOFT_DIRTY.
I'll fix this for v3, thanks!

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  reply	other threads:[~2015-11-17 17:52 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-14  0:06 [PATCH v2 00/11] DAX fsynx/msync support Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 01/11] pmem: add wb_cache_pmem() to the PMEM API Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 02/11] mm: add pmd_mkclean() Ross Zwisler
2015-11-14  1:02   ` Dave Hansen
2015-11-17 17:52     ` Ross Zwisler [this message]
2015-11-14  0:06 ` [PATCH v2 03/11] pmem: enable REQ_FUA/REQ_FLUSH handling Ross Zwisler
2015-11-14  0:20   ` Dan Williams
2015-11-14  0:43     ` Andreas Dilger
2015-11-14  2:32       ` Dan Williams
2015-11-16 13:37         ` Jan Kara
2015-11-16 14:05           ` Jan Kara
2015-11-16 17:28             ` Dan Williams
2015-11-16 19:48               ` Ross Zwisler
2015-11-16 20:34                 ` Dan Williams
2015-11-16 23:57                   ` Ross Zwisler
2015-11-16 22:14             ` Dave Chinner
2015-11-16 23:29               ` Ross Zwisler
2015-11-16 23:42                 ` Dave Chinner
2015-11-16 20:09         ` Ross Zwisler
2015-11-18 10:40           ` Jan Kara
2015-11-18 16:16             ` Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 04/11] dax: support dirty DAX entries in radix tree Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 05/11] mm: add follow_pte_pmd() Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 06/11] mm: add pgoff_mkclean() Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 07/11] mm: add find_get_entries_tag() Ross Zwisler
2015-11-16 22:42   ` Dave Chinner
2015-11-17 18:08     ` Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 08/11] dax: add support for fsync/sync Ross Zwisler
2015-11-16 22:58   ` Dave Chinner
2015-11-17 18:30     ` Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 09/11] ext2: add support for DAX fsync/msync Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 10/11] ext4: " Ross Zwisler
2015-11-14  0:06 ` [PATCH v2 11/11] xfs: " Ross Zwisler
2015-11-16 23:12   ` Dave Chinner
2015-11-17 19:03     ` Ross Zwisler
2015-11-20  0:37       ` Dave Chinner
2015-11-16 14:41 ` [PATCH v2 00/11] DAX fsynx/msync support Jan Kara
2015-11-16 16:58   ` Dan Williams
2015-11-16 20:01     ` Ross Zwisler

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