Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

2016-01-27 Thread Andrew Morton
On Wed, 27 Jan 2016 12:31:31 -0800 Andrew Morton wrote: > Just from eyeballing the patches, I'm expecting build errors ;) Didn't take long :( mm/memory.c: In function 'zap_pud_range': mm/memory.c:1216: error: implicit declaration of function 'pud_trans_huge' mm/memory.c:1217: error: 'HPAGE_PUD

RE: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

2016-01-27 Thread Wilcox, Matthew R
x-nvd...@ml01.01.org; linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org; x...@kernel.org Subject: Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files On Wed, 27 Jan 2016 12:31:31 -0800 Andrew Morton wrote: > Just from eyeballing the patches, I'm expecting build erro

Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

2016-01-27 Thread Andrew Morton
On Fri, 8 Jan 2016 14:49:44 -0500 Matthew Wilcox wrote: > Andrew, I think this is ready for a spin in -mm. Let's see what happens. Just from eyeballing the patches, I'm expecting build errors ;) I'm about to vanish until Monday so please cc Stephen on any fixes so he can get linux-next back i

Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

2016-01-22 Thread Matthew Wilcox
On Thu, Jan 21, 2016 at 02:48:58PM -0800, mingming cao wrote: > On 01/08/2016 11:49 AM, Matthew Wilcox wrote: > > Filesystems still need work to allocate 1GB pages. With ext4, I can > > only get 16MB of contiguous space, although it is aligned. With XFS, > > I can get 80MB less than 1GB, and it's

Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

2016-01-22 Thread Dave Chinner
On Fri, Jan 15, 2016 at 11:41:50AM -0800, Darrick J. Wong wrote: > On Fri, Jan 08, 2016 at 02:49:44PM -0500, Matthew Wilcox wrote: > > From: Matthew Wilcox > > > > Andrew, I think this is ready for a spin in -mm. > > > > v3: Rebased against current mmtom > > v2: Reduced churn in filesystems by s

Re: [PATCH v3 0/8] Support for transparent PUD pages for DAX files

2016-01-21 Thread mingming cao
On 01/08/2016 11:49 AM, Matthew Wilcox wrote: > From: Matthew Wilcox > > Andrew, I think this is ready for a spin in -mm. > > v3: Rebased against current mmtom > v2: Reduced churn in filesystems by switching to ->huge_fault interface > Addressed concerns from Kirill > > We have customer dem