| /linux/Documentation/arch/arm64/ |
| H A D | hugetlbpage.rst | 26 The architecture provides a contiguous bit in the translation table entries
28 contiguous set of entries that can be cached in a single TLB entry.
30 The contiguous bit is used in Linux to increase the mapping size at the pmd and
31 pte (last) level. The number of supported contiguous entries varies by page size
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| /linux/Documentation/networking/ |
| H A D | smc-sysctl.rst | 29 Default: 0 (physically contiguous sndbufs and RMBs)
33 - 0 - Use physically contiguous buffers
34 - 1 - Use virtually contiguous buffers
35 - 2 - Mixed use of the two types. Try physically contiguous buffers first.
36 If not available, use virtually contiguous buffers then.
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| /linux/Documentation/admin-guide/ |
| H A D | dell_rbu.rst | 32 image methods. In case of monolithic the driver allocates a contiguous chunk
35 would place each packet in contiguous physical memory. The driver also
57 copied to a single contiguous block of physical memory.
60 of contiguous memory and the BIOS image is scattered in these packets.
84 the file and spreads it across the physical memory in contiguous packet_sized
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| /linux/arch/nios2/ |
| H A D | Kconfig | 51 int "Order of maximal physically contiguous allocations"
55 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
57 allocated as a single contiguous block. This option allows
59 large blocks of physically contiguous memory is required.
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| /linux/kernel/dma/ |
| H A D | Kconfig | 165 to allocate big physically-contiguous blocks of memory for use with
171 For more information see <kernel/dma/contiguous.c>.
187 comment "Default contiguous memory area size:"
230 int "Maximum PAGE_SIZE order of alignment for contiguous buffers"
238 specify the maximum PAGE_SIZE order for contiguous buffers. Larger
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| H A D | Makefile | 6 obj-$(CONFIG_DMA_CMA) += contiguous.o
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| /linux/arch/sh/mm/ |
| H A D | Kconfig | 34 int "Order of maximal physically contiguous allocations"
41 contiguous allocations. The limit is called MAX_PAGE:_ORDER and it
43 allocated as a single contiguous block. This option allows
45 large blocks of physically contiguous memory is required.
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| /linux/Documentation/mm/ |
| H A D | memory-model.rst | 9 spans a contiguous range up to the maximal address. It could be,
11 for the CPU. Then there could be several contiguous ranges at
35 non-NUMA systems with contiguous, or mostly contiguous, physical
114 page *vmemmap` pointer that points to a virtually contiguous array of
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| H A D | vmalloced-kernel-stacks.rst | 87 virtually contiguous memory pages from the page level allocator. These
88 pages are mapped into contiguous kernel virtual space with PAGE_KERNEL
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| /linux/Documentation/admin-guide/mm/ |
| H A D | nommu-mmap.rst | 24 In the no-MMU case: VM regions backed by arbitrary contiguous runs of
52 appropriate bit of the file will be read into a contiguous bit of
83 sequence by providing a contiguous sequence of pages to map. In that
93 blockdev must be able to provide a contiguous run of pages without
95 all its memory as a contiguous array upfront.
252 filesystem providing the service will probably allocate a contiguous collection
269 should allocate sufficient contiguous memory to honour any supported mapping.
|
| H A D | concepts.rst | 22 necessarily contiguous; it might be accessible as a set of distinct
198 scattered physical pages as virtually contiguous range, sometimes it is
199 necessary to allocate large physically contiguous memory areas. Such
206 physically contiguous areas become possible.
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| /linux/Documentation/features/io/dma-contiguous/ |
| H A D | arch-support.txt | 2 # Feature name: dma-contiguous
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| /linux/arch/xtensa/boot/dts/ |
| H A D | kc705.dts | 21 /* global autoconfigured region for contiguous allocations */
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| /linux/drivers/iio/common/cros_ec_sensors/ |
| H A D | Kconfig | 20 Module to handle 3d contiguous sensors like
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| /linux/Documentation/devicetree/bindings/arm/omap/ |
| H A D | dmm.txt | 7 translation for initiators which need contiguous dma bus addresses.
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| /linux/Documentation/driver-api/dmaengine/ |
| H A D | provider.rst | 47 that involve a single contiguous block of data. However, some of the
49 non-contiguous buffers to a contiguous buffer, which is called
235 - If you want to transfer a single contiguous memory buffer,
252 - These transfers can transfer data from a non-contiguous buffer
253 to a non-contiguous buffer, opposed to DMA_SLAVE that can
254 transfer data from a non-contiguous data set to a continuous
655 - Chunk: A contiguous collection of bursts
657 - Transfer: A collection of chunks (be it contiguous or not)
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | pixfmt-yuv-planar.rst | 27 :ref:`planar-apis`. Unless explicitly documented as supporting non-contiguous
40 For memory contiguous formats, the number of padding pixels at the end of the
46 For non-contiguous formats, no constraints are enforced by the format on the
209 .. [2] Indicates if planes have to be contiguous in memory or can be
380 two non-contiguous planes.
838 For memory contiguous formats, the number of padding pixels at the end of the
844 For non-contiguous formats, no constraints are enforced by the format on the
948 .. [5] Indicates if planes have to be contiguous in memory or can be
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| /linux/drivers/staging/media/atomisp/pci/ |
| H A D | ia_css_stream_public.h | 41 bool contiguous; /** Allocated memory physically member
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| /linux/Documentation/core-api/ |
| H A D | dma-api.rst | 263 Further, contiguous kernel virtual space may not be contiguous as
266 contiguous piece of memory. For this reason, memory to be mapped by
268 physically contiguous (like kmalloc).
407 physically contiguous) and returns the actual number of sg entries it
449 Synchronise a single contiguous or scatter/gather mapping for the CPU
619 This routine allocates <size> bytes of non-coherent and possibly non-contiguous
659 Return a contiguous kernel mapping for an allocation returned from
664 Once a non-contiguous allocation is mapped using this function, the
|
| H A D | memory-allocation.rst | 9 large virtually contiguous areas using `vmalloc` and its derivatives,
159 and related functions is not physically contiguous.
167 physically contiguous.
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| H A D | dma-attributes.rst | 75 be mapped as contiguous chunk into device dma address space. By
76 specifying this attribute the allocated buffer is forced to be contiguous
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| /linux/drivers/accel/habanalabs/common/ |
| H A D | memory.c | 95 bool contiguous; in alloc_device_memory() local
112 contiguous = args->flags & HL_MEM_CONTIGUOUS; in alloc_device_memory()
114 if (contiguous) { in alloc_device_memory()
140 phys_pg_pack->contiguous = contiguous; in alloc_device_memory()
148 if (phys_pg_pack->contiguous) { in alloc_device_memory()
198 if (!phys_pg_pack->contiguous) in alloc_device_memory()
207 if (contiguous) in alloc_device_memory()
321 if (phys_pg_pack->contiguous) { in free_phys_pg_pack()
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| /linux/arch/sparc/ |
| H A D | Kconfig | 276 int "Order of maximal physically contiguous allocations"
280 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
282 allocated as a single contiguous block. This option allows
284 large blocks of physically contiguous memory is required.
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| /linux/lib/zstd/compress/ |
| H A D | zstd_compress_internal.h | 1207 U32 contiguous = 1; in ZSTD_window_update() local
1210 return contiguous; in ZSTD_window_update()
1225 contiguous = 0; in ZSTD_window_update()
1236 return contiguous; in ZSTD_window_update()
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| /linux/Documentation/filesystems/ext4/ |
| H A D | ifork.rst | 37 lot of mapping data even for a large contiguous file! This inefficiency
47 tree. Under the old scheme, allocating a contiguous run of 1,000 blocks
|