Lines Matching +full:two +full:- +full:dimensional

1 .. SPDX-License-Identifier: GPL-2.0
15 Linux abstracts this diversity using one of the two memory models:
23 Regardless of the selected memory model, there exists one-to-one
35 non-NUMA systems with contiguous, or mostly contiguous, physical
54 straightforward: `PFN - ARCH_PFN_OFFSET` is an index to the
65 as hot-plug and hot-remove of the physical memory, alternative memory
66 maps for non-volatile memory devices and deferred initialization of
85    NR\_MEM\_SECTIONS = 2 ^ {(MAX\_PHYSMEM\_BITS - SECTION\_SIZE\_BITS)}
87 The `mem_section` objects are arranged in a two-dimensional array
103 With SPARSEMEM there are two possible ways to convert a PFN to the
104 corresponding `struct page` - a "classic sparse" and "sparse
108 The classic sparse encodes the section number of a page in page->flags
130 for persistent memory devices in pre-allocated storage on those
158 this lack of user-api constraint to allow sub-section sized memory
159 ranges to be specified to :c:func:`arch_add_memory`, the top-half of
160 memory hotplug. Sub-section support allows for 2MB as the cross-arch
165 * pmem: Map platform persistent memory to be used as a direct-I/O target
168 * hmm: Extend `ZONE_DEVICE` with `->page_fault()` and `->page_free()`
169   event callbacks to allow a device-driver to coordinate memory management
170   events related to device-memory, typically GPU memory. See
174   PCI/-E topology to coordinate direct-DMA operations between themselves,