Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1323495
| From | Matthew Wilcox <willy@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 4/6] dax: Use PAGE_CACHE_SIZE where appropriate |
| Date | 2016-02-01 21:50 +0100 |
| Message-ID | <qXtA8-8mr-29@gated-at.bofh.it> (permalink) |
| References | <qWZiG-3dk-3@gated-at.bofh.it> <qWZiH-3dk-23@gated-at.bofh.it> <qXmyC-3iQ-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Feb 01, 2016 at 03:10:19PM +0200, Kirill A. Shutemov wrote: > On Sun, Jan 31, 2016 at 11:19:53PM +1100, Matthew Wilcox wrote: > > We were a little sloppy about using PAGE_SIZE instead of PAGE_CACHE_SIZE. > > PAGE_CACHE_SIZE is non-sense. It never had any meaning. At least in > upstream. And only leads to confusion on border between vfs and mm. > > We should just drop it. > > I need to find time at some point to prepare patchset... I argued in favour of this at last LSFMM and people were ... reluctant. I think with your map_pages work, the PAGE_CACHE_SIZE idea now has no potential performance win left.
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 0/6] DAX cleanups Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-31 13:30 +0100
[PATCH 4/6] dax: Use PAGE_CACHE_SIZE where appropriate Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-31 13:30 +0100
Re: [PATCH 4/6] dax: Use PAGE_CACHE_SIZE where appropriate "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-02-01 14:20 +0100
Re: [PATCH 4/6] dax: Use PAGE_CACHE_SIZE where appropriate Matthew Wilcox <willy@linux.intel.com> - 2016-02-01 21:50 +0100
[PATCH 2/6] dax: Remove unnecessary rechecking of i_size Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-31 13:30 +0100
csiph-web