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/linux/Documentation/devicetree/bindings/
A Dnuma.txt36 3 - distance-map
44 - distance-matrix
52 2. The distance from a node to self (local distance) is represented
60 distance-matrix is used.
75 then internode distance would be,
85 distance-map {
87 distance-matrix = <0 0 10>,
129 distance-map {
131 distance-matrix = <0 0 10>,
314 distance-map {
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/linux/Documentation/arch/powerpc/
A Dassociativity.rst10 characteristic is presented in terms of NUMA node distance within the Linux kernel.
42 Linux kernel computes NUMA distance between two domains by recursively comparing
44 level of the resource group, the kernel doubles the NUMA distance between the
50 thereby making the node distance computation flexible. Form 2 also allows flexible primary
51 domain numbering. With numa distance computation now detached from the index value in
61 used as an index while computing numa distance information via "ibm,numa-distance-table".
69 this document, this offset will be referred to as domain distance offset.
72 distance between resource groups/domains present in the system.
75 N distance values encoded as with encode-bytes. The max distance value we could encode is 255.
102 "ibm,lookup-index-table" helps in having a compact representation of distance matrix.
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/linux/arch/parisc/kernel/
A Djump_label.c29 int distance = target - addr; in arch_jump_label_transform() local
36 distance -= 8; in arch_jump_label_transform()
37 BUG_ON(distance > 262143 || distance < -262144); in arch_jump_label_transform()
38 insn = 0xe8000002 | reassemble_17(distance >> 2); in arch_jump_label_transform()
/linux/arch/csky/lib/
A Dstring.c34 int distance = 0; in memcpy() local
43 distance = s.as_uptr & WORD_MASK; in memcpy()
45 if (distance) { in memcpy()
54 s.as_u8 -= distance; in memcpy()
61 d.as_ulong[0] = last >> (distance * 8) | in memcpy()
62 next << ((BYTES_LONG - distance) * 8); in memcpy()
69 s.as_u8 += distance; in memcpy()
/linux/drivers/of/
A Dof_numa.c99 u32 nodea, nodeb, distance; in of_numa_parse_distance_map_v1() local
105 distance = of_read_number(matrix, 1); in of_numa_parse_distance_map_v1()
108 if ((nodea == nodeb && distance != LOCAL_DISTANCE) || in of_numa_parse_distance_map_v1()
109 (nodea != nodeb && distance <= LOCAL_DISTANCE)) { in of_numa_parse_distance_map_v1()
111 nodea, nodeb, distance); in of_numa_parse_distance_map_v1()
117 numa_set_distance(nodea, nodeb, distance); in of_numa_parse_distance_map_v1()
121 numa_set_distance(nodeb, nodea, distance); in of_numa_parse_distance_map_v1()
/linux/Documentation/staging/
A Dlzo.rst66 taken from the last two bits of an extra operand (eg: distance).
70 for the distance, thus requiring 3 bytes.
143 distance = (H << 2) + D + 1
153 distance = (H << 2) + D + 2049
159 distance = 16384 + (H << 14) + D
161 End of stream is reached if distance == 16384
176 distance = D + 1
180 Copy 3-4 bytes from block within 2kB distance
184 distance = (H << 3) + D + 1
187 Copy 5-8 bytes from block within 2kB distance
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/linux/drivers/iio/proximity/
A Dmb1232.c47 s16 distance; member
66 s16 distance; in mb1232_read_distance() local
100 distance = __be16_to_cpu(buf); in mb1232_read_distance()
102 if (distance < 0) { in mb1232_read_distance()
103 dev_err(&client->dev, "distance=%d\n", distance); in mb1232_read_distance()
110 return distance; in mb1232_read_distance()
124 data->scan.distance = mb1232_read_distance(data); in mb1232_trigger_handler()
125 if (data->scan.distance < 0) in mb1232_trigger_handler()
A DKconfig22 menu "Proximity and distance sensors"
94 the distance of objects. Supported types are mb1202, mb1212,
106 used to measure the distance of objects.
119 Say Y to build a driver for the RFD77402 Time-of-Flight (distance)
130 ranger sensor. This driver can be used to measure the distance
211 This driver can be used to measure the distance of objects.
233 This driver can be used to measure the distance of objects.
/linux/drivers/video/fbdev/
A Darcfb.c303 unsigned int distance, upper, lower; in arcfb_lcd_update_vert() local
305 distance = (bottom - top) + 1; in arcfb_lcd_update_vert()
309 while (distance > 0) { in arcfb_lcd_update_vert()
310 distance -= 8; in arcfb_lcd_update_vert()
325 unsigned int distance, upper, lower; in arcfb_lcd_update_horiz() local
327 distance = h; in arcfb_lcd_update_horiz()
331 while (distance > 0) { in arcfb_lcd_update_horiz()
332 distance -= ((lower - upper) + 1 ); in arcfb_lcd_update_horiz()
354 distance = w; in arcfb_lcd_update()
358 while (distance > 0) { in arcfb_lcd_update()
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/linux/arch/loongarch/kernel/
A Dacpi.c264 void __init numa_set_distance(int from, int to, int distance) in numa_set_distance() argument
266 if ((u8)distance != distance || (from == to && distance != LOCAL_DISTANCE)) { in numa_set_distance()
268 from, to, distance); in numa_set_distance()
272 node_distances[from][to] = distance; in numa_set_distance()
/linux/arch/arm64/boot/dts/hisilicon/
A Dhip07-d05.dts23 distance-map {
24 compatible = "numa-distance-map-v1";
25 distance-matrix = <0 0 10>,
/linux/drivers/pci/
A Dp2pdma.c693 int i, distance; in pci_p2pdma_distance_many() local
707 map = calc_map_type_and_dist(provider, pci_client, &distance, in pci_p2pdma_distance_many()
718 total_dist += distance; in pci_p2pdma_distance_many()
765 int distance; in pci_p2pmem_find_many() local
780 distance = pci_p2pdma_distance_many(pdev, clients, in pci_p2pmem_find_many()
782 if (distance < 0 || distance > closest_distance) in pci_p2pmem_find_many()
785 if (distance == closest_distance && dev_cnt >= max_devs) in pci_p2pmem_find_many()
788 if (distance < closest_distance) { in pci_p2pmem_find_many()
793 closest_distance = distance; in pci_p2pmem_find_many()
/linux/Documentation/ABI/testing/
A Dsysfs-bus-iio-proximity-as39356 Get the current distance in meters of storm (1km steps)
7 1000-40000 = distance in meters
A Dsysfs-kernel-mm-memory-tiers7 named by the abstract distance of the memory tier.
19 memory tier, memtierN, where N is derived based on abstract distance.
/linux/mm/
A Dnuma_memblks.c103 void __init numa_set_distance(int from, int to, int distance) in numa_set_distance() argument
111 from, to, distance); in numa_set_distance()
115 if ((u8)distance != distance || in numa_set_distance()
116 (from == to && distance != LOCAL_DISTANCE)) { in numa_set_distance()
118 from, to, distance); in numa_set_distance()
122 numa_distance[from * numa_distance_cnt + to] = distance; in numa_set_distance()
/linux/net/dccp/
A Dackvec.c131 static void dccp_ackvec_update_old(struct dccp_ackvec *av, s64 distance, in dccp_ackvec_update_old() argument
136 BUG_ON(distance > 0); in dccp_ackvec_update_old()
143 if (distance + runlen >= 0) { in dccp_ackvec_update_old()
167 distance += runlen + 1; in dccp_ackvec_update_old()
/linux/Documentation/devicetree/bindings/iio/proximity/
A Dmaxbotix,mb1232.yaml7 title: MaxBotix I2CXL-MaxSonar ultrasonic distance sensor
13 MaxBotix I2CXL-MaxSonar ultrasonic distance sensor of type mb1202,
A Dparallax-ping.yaml16 for receiving distance value as PWM signal
34 length of the input signal corresponds to the measured distance.
/linux/Documentation/userspace-api/media/v4l/
A Dpixfmt-z16.rst10 16-bit depth data with distance values at each pixel
17 distance to the respective point in the image coordinates. Distance unit
A Ddepth-formats.rst9 Depth data provides distance to points, mapped onto the image plane
/linux/fs/erofs/
A Ddecompressor.c32 u16 distance; in z_erofs_load_lz4_config() local
39 distance = le16_to_cpu(lz4->max_distance); in z_erofs_load_lz4_config()
51 distance = le16_to_cpu(dsb->u1.lz4_max_distance); in z_erofs_load_lz4_config()
55 sbi->lz4.max_distance_pages = distance ? in z_erofs_load_lz4_config()
56 DIV_ROUND_UP(distance, PAGE_SIZE) + 1 : in z_erofs_load_lz4_config()
/linux/lib/
A Ddecompress_unlzma.c429 uint32_t distance; in process_bit1() local
435 distance = cst->rep1; in process_bit1()
441 distance = cst->rep2; in process_bit1()
444 distance = cst->rep3; in process_bit1()
450 cst->rep0 = distance; in process_bit1()
/linux/net/rxrpc/
A Dconn_client.c209 int id_cursor, id, distance, limit; in rxrpc_may_reuse_conn() local
231 distance = id - id_cursor; in rxrpc_may_reuse_conn()
232 if (distance < 0) in rxrpc_may_reuse_conn()
233 distance = -distance; in rxrpc_may_reuse_conn()
235 if (distance > limit) in rxrpc_may_reuse_conn()
/linux/arch/sh/lib/
A Dmemcpy.S20 sub r4,r5 ! From here, r5 has the distance to r0
/linux/drivers/video/fbdev/aty/
A Dradeon_monitor.c954 int distance = 0; in radeon_compare_modes() local
956 distance = mode->yres - var->yres; in radeon_compare_modes()
957 distance += (mode->xres - var->xres)/2; in radeon_compare_modes()
958 return distance; in radeon_compare_modes()
980 int distance = INT_MAX; in radeon_match_mode() local
1026 if (d < distance) { in radeon_match_mode()
1028 distance = d; in radeon_match_mode()

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