Lines Matching refs:PFN

30 mapping between the physical page frame number (PFN) and the
34 helpers that allow the conversion from PFN to `struct page` and vice
59 With FLATMEM, the conversion between a PFN and the `struct page` is
60 straightforward: `PFN - ARCH_PFN_OFFSET` is an index to the
88 The conversion between a PFN and the `struct page` in the
94 to convert PFN to the node number. The opposite conversion helper
98 Once the node number is known, the PFN can be used to index
101 `node_start_pfn` is the PFN of that page.
146 With SPARSEMEM there are two possible ways to convert a PFN to the
152 and uses high bits of a PFN to access the section that maps that page
153 frame. Inside a section, the PFN is the index to the array of pages.
158 `struct page` objects. A PFN is an index to that array and the
159 offset of the `struct page` from `vmemmap` is the PFN of that