[patch 6/9] mm + fs: provide shadow pages to page cache allocations

In order to make informed placement and reclaim decisions, the page cache allocation requires the shadow information of refaulting pages. Every site that does a find_or_create()-style page cache allocation is converted to pass the shadow page found in the faulting slot of the radix tree to

[patch 6/9] mm + fs: provide shadow pages to page cache allocations

In order to make informed placement and reclaim decisions, the page cache allocation requires the shadow information of refaulting pages. Every site that does a find_or_create()-style page cache allocation is converted to pass the shadow page found in the faulting slot of the radix tree to

[patch 6/9] mm + fs: provide shadow pages to page cache allocations

In order to make informed placement and reclaim decisions, the page cache allocation requires the shadow information of refaulting pages. Every site that does a find_or_create()-style page cache allocation is converted to pass the shadow page found in the faulting slot of the radix tree to

[patch 6/9] mm + fs: provide shadow pages to page cache allocations

In order to make informed placement and reclaim decisions, the page cache allocation requires the shadow information of refaulting pages. Every site that does a find_or_create()-style page cache allocation is converted to pass the shadow page found in the faulting slot of the radix tree to