| Kconfig (d0034a7a4ac7fae708146ac0059b9c47a1543f0d) | Kconfig (4bfb68a0858deae4c40ea585037a3261f0717b0a) |
|---|---|
| 1# SPDX-License-Identifier: GPL-2.0-only 2 3menu "Memory Management options" 4 5config SELECT_MEMORY_MODEL 6 def_bool y 7 depends on ARCH_SELECT_MEMORY_MODEL 8 9choice 10 prompt "Memory model" 11 depends on SELECT_MEMORY_MODEL | 1# SPDX-License-Identifier: GPL-2.0-only 2 3menu "Memory Management options" 4 5config SELECT_MEMORY_MODEL 6 def_bool y 7 depends on ARCH_SELECT_MEMORY_MODEL 8 9choice 10 prompt "Memory model" 11 depends on SELECT_MEMORY_MODEL |
| 12 default DISCONTIGMEM_MANUAL if ARCH_DISCONTIGMEM_DEFAULT | |
| 13 default SPARSEMEM_MANUAL if ARCH_SPARSEMEM_DEFAULT 14 default FLATMEM_MANUAL 15 help 16 This option allows you to change some of the ways that 17 Linux manages its memory internally. Most users will 18 only have one option here selected by the architecture 19 configuration. This is normal. 20 --- 248 unchanged lines hidden (view full) --- 269 allocation instead of reclaiming. 270 271config ARCH_ENABLE_HUGEPAGE_MIGRATION 272 bool 273 274config ARCH_ENABLE_THP_MIGRATION 275 bool 276 | 12 default SPARSEMEM_MANUAL if ARCH_SPARSEMEM_DEFAULT 13 default FLATMEM_MANUAL 14 help 15 This option allows you to change some of the ways that 16 Linux manages its memory internally. Most users will 17 only have one option here selected by the architecture 18 configuration. This is normal. 19 --- 248 unchanged lines hidden (view full) --- 268 allocation instead of reclaiming. 269 270config ARCH_ENABLE_HUGEPAGE_MIGRATION 271 bool 272 273config ARCH_ENABLE_THP_MIGRATION 274 bool 275 |
| 276config HUGETLB_PAGE_SIZE_VARIABLE 277 def_bool n 278 help 279 Allows the pageblock_order value to be dynamic instead of just standard 280 HUGETLB_PAGE_ORDER when there are multiple HugeTLB page sizes available 281 on a platform. 282 |
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| 277config CONTIG_ALLOC 278 def_bool (MEMORY_ISOLATION && COMPACTION) || CMA 279 280config PHYS_ADDR_T_64BIT 281 def_bool 64BIT 282 283config BOUNCE 284 bool "Enable bounce buffers" 285 default y | 283config CONTIG_ALLOC 284 def_bool (MEMORY_ISOLATION && COMPACTION) || CMA 285 286config PHYS_ADDR_T_64BIT 287 def_bool 64BIT 288 289config BOUNCE 290 bool "Enable bounce buffers" 291 default y |
| 286 depends on BLOCK && MMU && (ZONE_DMA || HIGHMEM) | 292 depends on BLOCK && MMU && HIGHMEM |
| 287 help | 293 help |
| 288 Enable bounce buffers for devices that cannot access 289 the full range of memory available to the CPU. Enabled 290 by default when ZONE_DMA or HIGHMEM is selected, but you 291 may say n to override this. | 294 Enable bounce buffers for devices that cannot access the full range of 295 memory available to the CPU. Enabled by default when HIGHMEM is 296 selected, but you may say n to override this. |
| 292 293config VIRT_TO_BUS 294 bool 295 help 296 An architecture should select this if it implements the 297 deprecated interface virt_to_bus(). All new architectures 298 should probably not select this. 299 --- 567 unchanged lines hidden (view full) --- 867 bool 868 869config MAPPING_DIRTY_HELPERS 870 bool 871 872config KMAP_LOCAL 873 bool 874 | 297 298config VIRT_TO_BUS 299 bool 300 help 301 An architecture should select this if it implements the 302 deprecated interface virt_to_bus(). All new architectures 303 should probably not select this. 304 --- 567 unchanged lines hidden (view full) --- 872 bool 873 874config MAPPING_DIRTY_HELPERS 875 bool 876 877config KMAP_LOCAL 878 bool 879 |
| 880# struct io_mapping based helper. Selected by drivers that need them 881config IO_MAPPING 882 bool |
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| 875endmenu | 883endmenu |