Re: [patch 05/10] mm: filemap: move radix tree hole searching here

2014-02-12 Thread Mel Gorman
On Mon, Feb 03, 2014 at 07:53:37PM -0500, Johannes Weiner wrote: > The radix tree hole searching code is only used for page cache, for > example the readahead code trying to get a a picture of the area > surrounding a fault. > > It sufficed to rely on the radix tree definition of holes, which is

Re: [patch 05/10] mm: filemap: move radix tree hole searching here

2014-02-12 Thread Mel Gorman
On Mon, Feb 03, 2014 at 07:53:37PM -0500, Johannes Weiner wrote: The radix tree hole searching code is only used for page cache, for example the readahead code trying to get a a picture of the area surrounding a fault. It sufficed to rely on the radix tree definition of holes, which is

[patch 05/10] mm: filemap: move radix tree hole searching here

2014-02-03 Thread Johannes Weiner
The radix tree hole searching code is only used for page cache, for example the readahead code trying to get a a picture of the area surrounding a fault. It sufficed to rely on the radix tree definition of holes, which is "empty tree slot". But this is about to change, though, as shadow page

[patch 05/10] mm: filemap: move radix tree hole searching here

2014-02-03 Thread Johannes Weiner
The radix tree hole searching code is only used for page cache, for example the readahead code trying to get a a picture of the area surrounding a fault. It sufficed to rely on the radix tree definition of holes, which is empty tree slot. But this is about to change, though, as shadow page