Re: [patch 4/9] mm + fs: prepare for non-page entries in page cache radix trees

2013-08-22 Thread Johannes Weiner
On Tue, Aug 20, 2013 at 01:59:10PM -0700, Andrew Morton wrote: > On Sat, 17 Aug 2013 15:31:18 -0400 Johannes Weiner wrote: > > > shmem mappings already contain exceptional entries where swap slot > > information is remembered. > > > > To be able to store eviction information for regular page cac

Re: [patch 4/9] mm + fs: prepare for non-page entries in page cache radix trees

2013-08-20 Thread Andrew Morton
On Sat, 17 Aug 2013 15:31:18 -0400 Johannes Weiner wrote: > shmem mappings already contain exceptional entries where swap slot > information is remembered. > > To be able to store eviction information for regular page cache, > prepare every site dealing with the radix trees directly to handle >

[patch 4/9] mm + fs: prepare for non-page entries in page cache radix trees

2013-08-17 Thread Johannes Weiner
shmem mappings already contain exceptional entries where swap slot information is remembered. To be able to store eviction information for regular page cache, prepare every site dealing with the radix trees directly to handle entries other than pages. The common lookup functions will filter out n

[patch 4/9] mm + fs: prepare for non-page entries in page cache radix trees

2013-08-06 Thread Johannes Weiner
shmem mappings already contain exceptional entries where swap slot information is remembered. To be able to store eviction information for regular page cache, prepare every site dealing with the radix trees directly to handle entries other than pages. The common lookup functions will filter out n