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/Documentation/admin-guide/cgroup-v1/
Dhugetlb.rst34 For a system supporting three hugepage sizes (64k, 32M and 1G), the control
37 hugetlb.1GB.limit_in_bytes
38 hugetlb.1GB.max_usage_in_bytes
39 hugetlb.1GB.numa_stat
40 hugetlb.1GB.usage_in_bytes
41 hugetlb.1GB.failcnt
42 hugetlb.1GB.rsvd.limit_in_bytes
43 hugetlb.1GB.rsvd.max_usage_in_bytes
44 hugetlb.1GB.rsvd.usage_in_bytes
45 hugetlb.1GB.rsvd.failcnt
[all …]
/Documentation/driver-api/tty/
Dmoxa-smartio.rst10 1. Introduction
19 1. Introduction
118 1st board ttyM0 - ttyM7
167 close_delay set the amount of time (in 1/100 of a second) that DTR
169 closing_wait set the amount of time (in 1/100 of a second) that the
172 spd_hi Use 57.6kb when the application requests 38.4kb.
173 spd_vhi Use 115.2kb when the application requests 38.4kb.
174 spd_shi Use 230.4kb when the application requests 38.4kb.
175 spd_warp Use 460.8kb when the application requests 38.4kb.
176 spd_normal Use 38.4kb when the application requests 38.4kb.
[all …]
/Documentation/translations/zh_TW/arch/arm64/
Dmemory.txt37 頁大小爲 4KB 的 4 級轉換表和頁大小爲 64KB 的 3 級轉換表。
39 AArch64 Linux 使用 3 級或 4 級轉換表,其頁大小配置爲 4KB,對於用戶和內核
43 用戶地址空間的 63:48 位爲 0,而內核地址空間的相應位爲 1。TTBRx 的
49 AArch64 Linux 在頁大小爲 4KB,並使用 3 級轉換表時的內存佈局:
57 AArch64 Linux 在頁大小爲 4KB,並使用 4 級轉換表時的內存佈局:
65 AArch64 Linux 在頁大小爲 64KB,並使用 2 級轉換表時的內存佈局:
73 AArch64 Linux 在頁大小爲 64KB,並使用 3 級轉換表時的內存佈局:
84 4KB 頁大小的轉換表查找:
96 +-------------------------------------------------> [63] TTBR0/1
99 64KB 頁大小的轉換表查找:
[all …]
/Documentation/translations/zh_CN/arch/arm64/
Dmemory.txt33 页大小为 4KB 的 4 级转换表和页大小为 64KB 的 3 级转换表。
35 AArch64 Linux 使用 3 级或 4 级转换表,其页大小配置为 4KB,对于用户和内核
39 用户地址空间的 63:48 位为 0,而内核地址空间的相应位为 1。TTBRx 的
45 AArch64 Linux 在页大小为 4KB,并使用 3 级转换表时的内存布局:
53 AArch64 Linux 在页大小为 4KB,并使用 4 级转换表时的内存布局:
61 AArch64 Linux 在页大小为 64KB,并使用 2 级转换表时的内存布局:
69 AArch64 Linux 在页大小为 64KB,并使用 3 级转换表时的内存布局:
80 4KB 页大小的转换表查找:
92 +-------------------------------------------------> [63] TTBR0/1
95 64KB 页大小的转换表查找:
[all …]
/Documentation/filesystems/
Dproc.rst11 move /proc/sys Shen Feng <shen@cn.fujitsu.com> April 1 2009
23 1 Collecting System Information
101 Chapter 1: Collecting System Information
128 subdirectory has the entries listed in Table 1-1.
138 .. table:: Table 1-1: Process specific entries in /proc
183 VmPeak: 5004 kB
184 VmSize: 5004 kB
185 VmLck: 0 kB
186 VmHWM: 476 kB
187 VmRSS: 476 kB
[all …]
/Documentation/arch/arm64/
Dmemory.rst9 tables with a 4KB page size and up to 3 levels with a 64KB page size.
12 with the 4KB page configuration, allowing 39-bit (512GB) or 48-bit
14 64KB pages, only 2 levels of translation tables, allowing 42-bit (4TB)
18 only available when running with a 64KB page size and expands the
27 AArch64 Linux memory layout with 4KB pages + 4 levels (48-bit)::
44 AArch64 Linux memory layout with 64KB pages + 3 levels (52-bit with HW support)::
61 Translation table lookup with 4KB pages::
73 +----------------------------------------> [55] TTBR0/1
76 Translation table lookup with 64KB pages::
88 +----------------------------------------> [55] TTBR0/1
[all …]
/Documentation/arch/x86/x86_64/
Dfake-numa-for-cpusets.rst33 Faking node 1 at 0000000020000000-0000000040000000 (512MB)
38 On node 1 totalpages: 131072
50 [root@xroads /exampleset/ddset]# echo 0-1 > cpus
51 [root@xroads /exampleset/ddset]# echo 0-1 > mems
53 Now this cpuset, 'ddset', will only allowed access to fake nodes 0 and 1 for
54 memory allocations (1G).
60 [root@xroads /exampleset/ddset]# dd if=/dev/zero of=tmp bs=1024 count=1G
61 [1] 13425
71 MemTotal 3091900 kB 3091900 kB
72 MemFree 42113 kB 1513236 kB
/Documentation/staging/
Dlzo.rst43 around 255:1). The variable length encoding using #bits is always the same::
45 length = byte & ((1 << #bits) - 1)
47 length = ((1 << #bits) - 1)
59 After any instruction except the large literal copy, 0, 1, 2 or 3 literals
84 1: LZO-RLE
86 Version 1 of LZO implements an extension to encode runs of zeros using run
93 e.g.: version 1 only.
108 (version 1 only).
132 If last instruction used to copy between 1 to 3 literals (encoded in
134 2-byte block from the dictionary within a 1kB distance. It is worth
[all …]
/Documentation/devicetree/bindings/net/
Dfsl,fman-port.yaml36 Each hardware port is assigned a 4KB, port-specific page in
38 FMan memory map). The first 4 KB in the FMan hardware ports
40 The subsequent 63 4KB pages are allocated to the hardware
51 description: The default port rate is 1G.
56 description: The default port rate is 1G.
/Documentation/devicetree/bindings/mtd/partitions/
Dredboot-fis.yaml14 32 KB in size.
28 device. On a flash memory with 32KB eraseblocks, 0 means the first
29 eraseblock at 0x00000000, 1 means the second eraseblock at 0x00008000 and so on.
/Documentation/networking/
Ddctcp.rst19 switches is 20 packets (30KB) at 1Gbps, and 65 packets (~100KB) at 10Gbps,
/Documentation/devicetree/bindings/reserved-memory/
Dramoops.yaml71 - const: 1
100 it is equivalent to max_reason = 1 (KMSG_DUMP_PANIC).
107 it is equivalent to mem_type = 1 and uses unbuffered mappings to map
128 #address-cells = <1>;
129 #size-cells = <1>;
132 #address-cells = <1>;
133 #size-cells = <1>;
138 reg = <0xbfdf0000 0x10000>; /* 64kB */
139 console-size = <0x8000>; /* 32kB */
140 record-size = <0x400>; /* 1kB */
/Documentation/admin-guide/blockdev/
Dramdisk.rst7 1) Overview
13 1) Overview
32 directory. RAM disks are all major number 1, and start with minor number 0
102 dd if=/dev/zero of=/dev/ram0 bs=1k count=2048
115 dd if=/dev/ram0 bs=1k count=2048 | gzip -v9 > /tmp/ram_image.gz
119 dd if=zImage of=/dev/fd0 bs=1k
124 the RAM disk image. An offset of 400 kB for kernels about 350 kB in
126 not larger than the total space on your floppy (usually 1440 kB)::
128 dd if=/tmp/ram_image.gz of=/dev/fd0 bs=1k seek=400
/Documentation/networking/device_drivers/atm/
Dcxacru.rst37 "1=0 a=5"
120 [2635357.696901] ATM dev 0: ADSL line: up (8128 kb/s down | 832 kb/s up)
/Documentation/filesystems/ext4/
Dblockgroup.rst10 :widths: 1 1 1 1 1 1 1 1
11 :header-rows: 1
22 - 1 block
25 - 1 block
26 - 1 block
34 1024, then block 0 is marked in use and the superblock goes in block 1.
94 filesystems with 4 KB block size, a single metablock group partition
110 a 1KB block size, and 64 block groups for filesystems with a 4KB
/Documentation/admin-guide/media/
Ddvb-usb-ttusb2-cardlist.rst9 :header-rows: 1
23 * - Technotrend TT-connect S-2400 (8kB EEPROM)
/Documentation/fb/
Dtridentfb.rst25 1. The driver randomly locks up on 3DImage975 chip with acceleration
54 memsize integer value in KB, use if your card's memory size is misdetected.
57 memdiff integer value in KB, should be nonzero if your card reports
/Documentation/admin-guide/mm/
Dtranshuge.rst36 1) the TLB miss will run faster (especially with virtualization using
89 large region but only touch 1 byte of it, in that case a 2M page might
115 echo always >/sys/kernel/mm/transparent_hugepage/hugepages-<size>kB/enabled
116 echo madvise >/sys/kernel/mm/transparent_hugepage/hugepages-<size>kB/enabled
117 echo never >/sys/kernel/mm/transparent_hugepage/hugepages-<size>kB/enabled
124 echo always >/sys/kernel/mm/transparent_hugepage/hugepages-2048kB/enabled
129 echo inherit >/sys/kernel/mm/transparent_hugepage/hugepages-<size>kB/enabled
133 echo inherit >/sys/kernel/mm/transparent_hugepage/hugepages-2048kB/enabled
194 page by writing 0 or enable it back by writing 1::
197 echo 1 >/sys/kernel/mm/transparent_hugepage/use_zero_page
[all …]
/Documentation/devicetree/bindings/remoteproc/
Dxlnx,zynqmp-r5fss.yaml39 enum: [0, 1, 2]
40 default: 1
45 core 1 runs normally). The processor does not support dynamic configuration.
47 If set to 1 then lockstep mode and if 0 then split mode.
51 1: lockstep mode (default)
56 enum: [0, 1]
60 1: lockstep mode
72 Each RPU contains one 64KB memory and two 32KB memories that
73 are accessed via the TCM A and B port interfaces, for a total of 128KB
74 per processor. In lock-step mode, the processor has access to 256KB of
[all …]
/Documentation/driver-api/
Dswitchtec.rst25 identifier and up to 1KB of command specific data. The firmware will
26 respond with a 4-byte return code and up to 1KB of command-specific
/Documentation/admin-guide/
Dpstore-blk.rst50 1. /dev/<disk_name> represents the device number of disk
65 1-based partition number.
72 1. <device name> MTD device name. "pstore" is recommended.
78 The chunk size in KB for oops/panic front-end. It **MUST** be a multiple of 4.
90 The chunk size in KB for pmsg front-end. It **MUST** be a multiple of 4.
102 The chunk size in KB for console front-end. It **MUST** be a multiple of 4.
113 The chunk size in KB for ftrace front-end. It **MUST** be a multiple of 4.
128 # echo 1 > /sys/kernel/debug/pstore/record_ftrace
137 CPU:1 ts:5916720 c0160f59 c015ee04 kernfs_unmap_bin_file <- __kernfs_remove+0x140/0x204
138 CPU:1 ts:5916721 c05ca625 c015ee0c __mutex_lock_slowpath <- __kernfs_remove+0x148/0x204
[all …]
/Documentation/arch/arm/stm32/
Dstm32f746-overview.rst12 - 1MB internal flash, 320KBytes internal RAM (+4KB of backup SRAM)
/Documentation/ABI/testing/
Dsysfs-firmware-lefi-boardinfo20 Board Name : LEMOTE-LS3A4000-7A1000-1w-V01-pc
26 ROM Size : 4 KB
/Documentation/mm/
Dvmemmap_dedup.rst19 details. On the x86-64 architecture, HugeTLB pages of size 2MB and 1GB are
20 currently supported. Since the base page size on x86 is 4KB, a 2MB HugeTLB page
21 consists of 512 base pages and a 1GB HugeTLB page consists of 262144 base pages.
41 | x86-64 | 4KB | 2MB | 1GB | | |
43 | | 4KB | 64KB | 2MB | 32MB | 1GB |
45 | arm64 | 16KB | 2MB | 32MB | 1GB | |
47 | | 64KB | 2MB | 512MB | 16GB | |
95 E.g.: A 2MB HugeTLB page on x86_64 consists in 8 page frames while 1GB
108 | | | 1 | -------------> | 1 |
130 pages of ``struct page`` (page 1 to page 7) is to point to page->compound_head.
[all …]
/Documentation/driver-api/mmc/
Dmmc-dev-attrs.rst42 1 => enabled, 0 => not enabled
58 1. A single erase command will make all other I/O on
87 "raw_rpmb_size_mult" is a multiple of 128kB block.
91 RPMB partition size = 128kB x raw_rpmb_size_mult

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