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| /Documentation/devicetree/bindings/reserved-memory/ |
| D | ramoops.yaml | 17 size of these optional buffers must fit in the reserved region.
20 records. These records have a configurable size, with a size of 0 indicating
23 At least one of "record-size", "console-size", "ftrace-size", or "pmsg-size"
39 ecc-size:
41 description: enables ECC support and specifies ECC buffer size in bytes
44 record-size:
46 description: maximum size in bytes of each kmsg dump
49 console-size:
51 description: size in bytes of log buffer reserved for kernel messages
54 ftrace-size:
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| /Documentation/mm/ |
| D | zsmalloc.rst | 10 any object of size PAGE_SIZE/2 or larger would occupy an entire page.
19 For simplicity, zsmalloc can only allocate objects of size up to PAGE_SIZE
22 uncompressed form). For allocation requests larger than this size, failure
42 …class size 10% 20% 30% 40% 50% 60% 70% 80% …
54 size
55 object size zspage stores
98 zsmalloc has 255 size classes, each of which can hold a number of zspages.
100 The optimal zspage chain size for each size class is calculated during the
103 As an optimization, zsmalloc merges size classes that have similar
107 For instance, consider the following size classes:::
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| /Documentation/networking/devlink/ |
| D | devlink-resource.rst | 10 in use. Additionally, these resources can optionally have configurable size.
22 current size and related sub resources. To access a sub resource, you
49 name kvd size 245760 unit entry
51 name linear size 98304 occ 0 unit entry size_min 0 size_max 147456 size_gran 128
52 name hash_double size 60416 unit entry size_min 32768 size_max 180224 size_gran 128
53 name hash_single size 87040 unit entry size_min 65536 size_max 212992 size_gran 128
55 Some resource's size can be changed. Examples:
59 $devlink resource set pci/0000:03:00.0 path /kvd/hash_single size 73088
60 $devlink resource set pci/0000:03:00.0 path /kvd/hash_double size 74368
63 attribute, which represents the pending change in size. For example:
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| /Documentation/devicetree/bindings/nios2/ |
| D | nios2.txt | 17 - dcache-line-size: Contains data cache line size.
18 - icache-line-size: Contains instruction line size.
19 - dcache-size: Contains data cache size.
20 - icache-size: Contains instruction cache size.
25 - altr,tlb-ptr-sz: Specifies size of TLB pointer.
46 dcache-line-size = <32>;
47 icache-line-size = <32>;
48 dcache-size = <32768>;
49 icache-size = <32768>;
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| /Documentation/admin-guide/device-mapper/ |
| D | dm-ebs.rst | 7 a smaller logical block size on a device with a larger logical block
8 size. Its main purpose is to provide emulation of 512 byte sectors on
13 Underlying block size can be set to > 4K to test buffering larger units.
29 Number of sectors defining the logical block size to be emulated;
35 Number of sectors defining the logical block size of <dev path>.
37 If not provided, the logical block size of <dev path> will be used.
42 Emulate 1 sector = 512 bytes logical block size on /dev/sda starting at
43 offset 1024 sectors with underlying devices block size automatically set:
47 Emulate 2 sector = 1KiB logical block size on /dev/sda starting at
48 offset 128 sectors, enforce 2KiB underlying device block size.
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| D | vdo.rst | 56 <offset> <logical device size> vdo V4 <storage device>
57 <storage device size> <minimum I/O size> <block map cache size>
67 logical device size:
68 The size of the device which the vdo volume will service,
69 in sectors. Must match the current logical size of the vdo
75 storage device size:
76 The size of the device holding the vdo volume, as a number
77 of 4096-byte blocks. Must match the current size of the vdo
80 minimum I/O size:
81 The minimum I/O size for this vdo volume to accept, in
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| /Documentation/arch/arm64/ |
| D | kdump.rst | 24 - crashkernel=size@offset
25 - crashkernel=size
26 - crashkernel=size,high crashkernel=size,low
43 1) crashkernel=size@offset
50 2) crashkernel=size
57 with the specified size.
60 the high memory area for an available region of the specified size. If
61 the reservation in high memory succeeds, a default size reservation in
62 the low memory will be done. Currently the default size is 128M,
65 Note: crashkernel=size is the recommended option for crashkernel kernel
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| /Documentation/devicetree/bindings/mtd/ |
| D | hisi504-nand.txt | 6 - reg: The first contains base physical address and size of
8 physical address and size of NAND controller's buffer.
13 - #size-cells: Partition size, should be set 1.
18 - nand-ecc-step-size: Number of data bytes covered by a single ECC step.
20 The following ECC strength and step size are currently supported:
22 - nand-ecc-strength = <16>, nand-ecc-step-size = <1024>
36 nand-ecc-step-size = <1024>;
38 #size-cells = <1>;
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| D | atmel-nand.txt | 20 - #size-cells: should be set to 1.
39 3rd entry: the memory region size (always 0x800000)
79 #size-cells = <1>;
95 #size-cells = <1>;
119 - reg : should specify localbus address and size used for the chip,
121 If the hardware ECC is PMECC, it should contain address and size for
123 The PMECC lookup table address and size in ROM is optional. If not
127 - #address-cells, #size-cells : Must be present if the device has sub-nodes
143 - atmel,pmecc-sector-size : sector size for ECC computation. Supported values
146 for different sector size. First one is for sector size 512, the next is for
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| /Documentation/devicetree/bindings/perf/ |
| D | marvell-cn10k-tad.yaml | 32 marvell,tad-page-size:
33 description: specifies the size of each tad page
36 marvell,tad-pmu-page-size:
37 description: specifies the size of page that the pmu uses
44 - marvell,tad-page-size
45 - marvell,tad-pmu-page-size
54 #size-cells = <2>;
60 marvell,tad-page-size = <0x1000>;
61 marvell,tad-pmu-page-size = <0x1000>;
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| /Documentation/filesystems/ext4/ |
| D | blocks.rst | 9 block groups. Block size is specified at mkfs time and typically is
10 4KiB. You may experience mounting problems if block size is greater than
11 page size (i.e. 64KiB blocks on a i386 which only has 4KiB memory
38 * - File System Size
53 * - Block Group Size
67 - 4,398,314,962,956 (really 2^32 due to field size limitations)
68 * - File Size, Extents
73 * - File Size, Block Maps
100 * - File System Size
115 * - Block Group Size
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| D | bigalloc.rst | 6 At the moment, the default size of a block is 4KiB, which is a commonly
7 supported page size on most MMU-capable hardware. This is fortunate, as
8 ext4 code is not prepared to handle the case where the block size
9 exceeds the page size. However, for a filesystem of mostly huge files,
18 megabyte range, it might make sense to set a cluster size of 1 megabyte.
20 256 4k blocks. This shrinks the total size of the block allocation
25 The administrator can set a block cluster size at mkfs time (which is
28 that block groups can be several gigabytes in size (instead of just
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| /Documentation/devicetree/bindings/net/ |
| D | ibm,emac.txt | 31 - max-frame-size : 1 cell, maximum frame size supported in bytes
32 - rx-fifo-size : 1 cell, Rx fifo size in bytes for 10 and 100 Mb/sec
35 - tx-fifo-size : 1 cell, Tx fifo size in bytes for 10 and 100 Mb/sec
38 - fifo-entry-size : 1 cell, size of a fifo entry (used to calculate
41 - mal-burst-size : 1 cell, MAL burst size (used to calculate thresholds)
76 - rx-fifo-size-gige : 1 cell, Rx fifo size in bytes for 1000 Mb/sec
78 rx-fifo-size). For Axon, either absent or 2048.
79 - tx-fifo-size-gige : 1 cell, Tx fifo size in bytes for 1000 Mb/sec
81 tx-fifo-size). For Axon, either absent or 2048.
95 - #size-cells: Must be <0>.
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| D | marvell-orion-net.txt | 24 - #size-cells: shall be 0.
30 - marvell,tx-checksum-limit: max tx packet size for hardware checksum.
42 - marvell,tx-queue-size: size of the transmit ring buffer.
44 - marvell,tx-sram-size: size of transmit descriptor buffer located in SRAM.
45 - marvell,rx-queue-size: size of the receive ring buffer.
47 - marvell,rx-sram-size: size of receive descriptor buffer located in SRAM.
71 #size-cells = <0>;
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| /Documentation/driver-api/mmc/ |
| D | mmc-dev-attrs.rst | 34 erase_size Erase group size
35 preferred_erase_size Preferred erase size
36 raw_rpmb_size_mult RPMB partition size
45 Note on Erase Size and Preferred Erase Size:
47 "erase_size" is the minimum size, in bytes, of an erase
48 operation. For MMC, "erase_size" is the erase group size
50 to trim or secure trim operations where the minimum size is
67 which is multiplied by the size of the erase area,
74 size for erasing large areas.
77 erase size if a card specifies one, otherwise it is
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| /Documentation/devicetree/bindings/input/touchscreen/ |
| D | goodix,gt9916.yaml | 42 touchscreen-size-x: true
43 touchscreen-size-y: true
53 - touchscreen-size-x
54 - touchscreen-size-y
62 #size-cells = <0>;
70 touchscreen-size-x = <1024>;
71 touchscreen-size-y = <768>;
79 #size-cells = <0>;
90 touchscreen-size-x = <1024>;
91 touchscreen-size-y = <768>;
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| D | eeti,exc3000.yaml | 33 touchscreen-size-x: true
34 touchscreen-size-y: true
43 - touchscreen-size-x
44 - touchscreen-size-y
53 #size-cells = <0>;
59 touchscreen-size-x = <4096>;
60 touchscreen-size-y = <4096>;
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| D | himax,hx83112b.yaml | 32 touchscreen-size-x: true
33 touchscreen-size-y: true
43 - touchscreen-size-x
44 - touchscreen-size-y
52 #size-cells = <0>;
58 touchscreen-size-x = <1080>;
59 touchscreen-size-y = <2160>;
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| D | mstar,msg2638.yaml | 36 touchscreen-size-x: true
37 touchscreen-size-y: true
50 - touchscreen-size-x
51 - touchscreen-size-y
59 #size-cells = <0>;
70 touchscreen-size-x = <2048>;
71 touchscreen-size-y = <2048>;
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| D | cypress,cy8ctma140.yaml | 38 touchscreen-size-x: true
39 touchscreen-size-y: true
49 - touchscreen-size-x
50 - touchscreen-size-y
58 #size-cells = <0>;
62 touchscreen-size-x = <480>;
63 touchscreen-size-y = <800>;
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| /Documentation/admin-guide/mm/ |
| D | hugetlbpage.rst | 9 the Linux kernel. This support is built on top of multiple page size support
29 default huge page size and information about the number of free, reserved
30 and surplus huge pages in the pool of huge pages of default size.
31 The huge page size is needed for generating the proper alignment and
32 size of the arguments to system calls that map huge page regions.
46 is the size of the pool of huge pages.
66 is the default hugepage size (in kB).
104 of a specific size, one must precede the huge pages boot command parameters
105 with a huge page size selection parameter "hugepagesz=<size>". <size> must
107 page size may be selected with the "default_hugepagesz=<size>" boot parameter.
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| /Documentation/devicetree/bindings/cache/ |
| D | socionext,uniphier-system-cache.yaml | 37 cache-size: true
41 cache-line-size: true
59 - cache-size
61 - cache-line-size
72 cache-size = <0x140000>;
74 cache-line-size = <128>;
85 cache-size = <0x200000>;
87 cache-line-size = <128>;
97 cache-size = <0x200000>;
99 cache-line-size = <256>;
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| /Documentation/userspace-api/media/dvb/ |
| D | dmx-set-buffer-size.rst | 20 ``int ioctl(int fd, DMX_SET_BUFFER_SIZE, unsigned long size)``
28 ``size``
29 Unsigned long size
34 This ioctl call is used to set the size of the circular buffer used for
35 filtered data. The default size is two maximum sized sections, i.e. if
36 this function is not called a buffer size of ``2 * 4096`` bytes will be
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| /Documentation/dev-tools/kunit/ |
| D | kunit_suitememorydiagram.svg | 12 …-serif" font-size="16px" style="line-height:1.25" xml:space="preserve"><tspan x="328.00888" y="446…
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| /Documentation/admin-guide/media/ |
| D | ipu6_isys_graph.svg | 16 <text text-anchor="middle" x="731.49" y="-734.88" font-family="Times,serif" font-size="14.00">Intel…
17 <text text-anchor="middle" x="731.49" y="-719.88" font-family="Times,serif" font-size="14.00">/dev/…
23 <text text-anchor="middle" x="1295.09" y="-756.68" font-family="Times,serif" font-size="14.00">Inte…
24 <text text-anchor="middle" x="1295.09" y="-741.68" font-family="Times,serif" font-size="14.00">/dev…
30 <text text-anchor="middle" x="1017.02" y="-675.27" font-family="Times,serif" font-size="14.00">Inte…
31 <text text-anchor="middle" x="1017.02" y="-660.27" font-family="Times,serif" font-size="14.00">/dev…
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45 <text text-anchor="middle" x="1177.72" y="-962.75" font-family="Times,serif" font-size="14.00">/dev…
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