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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/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/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/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/drivers/of/
A Dof_numa.c98 u32 nodea, nodeb, distance; in of_numa_parse_distance_map_v1() local
104 distance = of_read_number(matrix, 1); in of_numa_parse_distance_map_v1()
107 if ((nodea == nodeb && distance != LOCAL_DISTANCE) || in of_numa_parse_distance_map_v1()
108 (nodea != nodeb && distance <= LOCAL_DISTANCE)) { in of_numa_parse_distance_map_v1()
110 nodea, nodeb, distance); in of_numa_parse_distance_map_v1()
116 numa_set_distance(nodea, nodeb, distance); in of_numa_parse_distance_map_v1()
120 numa_set_distance(nodeb, nodea, distance); in of_numa_parse_distance_map_v1()
/linux/drivers/iio/proximity/
A Dmb1232.c45 s16 distance; member
64 s16 distance; in mb1232_read_distance() local
98 distance = __be16_to_cpu(buf); in mb1232_read_distance()
100 if (distance < 0) { in mb1232_read_distance()
101 dev_err(&client->dev, "distance=%d\n", distance); in mb1232_read_distance()
108 return distance; in mb1232_read_distance()
122 data->scan.distance = mb1232_read_distance(data); in mb1232_trigger_handler()
123 if (data->scan.distance < 0) in mb1232_trigger_handler()
A DKconfig22 menu "Proximity and distance sensors"
66 the distance of objects. Supported types are mb1202, mb1212,
78 used to measure the distance of objects.
91 Say Y to build a driver for the RFD77402 Time-of-Flight (distance)
102 ranger sensor. This driver can be used to measure the distance
149 This driver can be used to measure the distance of objects.
171 This driver can be used to measure the distance of objects.
/linux/drivers/video/fbdev/
A Darcfb.c302 unsigned int distance, upper, lower; in arcfb_lcd_update_vert() local
304 distance = (bottom - top) + 1; in arcfb_lcd_update_vert()
308 while (distance > 0) { in arcfb_lcd_update_vert()
309 distance -= 8; in arcfb_lcd_update_vert()
324 unsigned int distance, upper, lower; in arcfb_lcd_update_horiz() local
326 distance = h; in arcfb_lcd_update_horiz()
330 while (distance > 0) { in arcfb_lcd_update_horiz()
331 distance -= ((lower - upper) + 1 ); in arcfb_lcd_update_horiz()
353 distance = w; in arcfb_lcd_update()
357 while (distance > 0) { in arcfb_lcd_update()
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/linux/tools/perf/tests/
A Devsel-roundtrip-name.c68 int distance) in __perf_evsel__name_array_test() argument
88 if (strcmp(evsel__name(evsel), names[evsel->core.idx / distance])) { in __perf_evsel__name_array_test()
90 pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->core.idx / distance]); in __perf_evsel__name_array_test()
99 #define perf_evsel__name_array_test(names, distance) \ argument
100 __perf_evsel__name_array_test(names, ARRAY_SIZE(names), distance)
/linux/drivers/base/
A Darch_numa.c372 void __init numa_set_distance(int from, int to, int distance) in numa_set_distance() argument
382 from, to, distance); in numa_set_distance()
386 if ((u8)distance != distance || in numa_set_distance()
387 (from == to && distance != LOCAL_DISTANCE)) { in numa_set_distance()
389 from, to, distance); in numa_set_distance()
393 numa_distance[from * numa_distance_cnt + 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.c568 int i, distance; in pci_p2pdma_distance_many() local
582 map = calc_map_type_and_dist(provider, pci_client, &distance, in pci_p2pdma_distance_many()
593 total_dist += distance; in pci_p2pdma_distance_many()
641 int distance; in pci_p2pmem_find_many() local
656 distance = pci_p2pdma_distance_many(pdev, clients, in pci_p2pmem_find_many()
658 if (distance < 0 || distance > closest_distance) in pci_p2pmem_find_many()
661 if (distance == closest_distance && dev_cnt >= max_devs) in pci_p2pmem_find_many()
664 if (distance < closest_distance) { in pci_p2pmem_find_many()
669 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
/linux/fs/erofs/
A Ddecompressor.c24 u16 distance; in z_erofs_load_lz4_config() local
31 distance = le16_to_cpu(lz4->max_distance); in z_erofs_load_lz4_config()
45 distance = le16_to_cpu(dsb->u1.lz4_max_distance); in z_erofs_load_lz4_config()
49 sbi->lz4.max_distance_pages = distance ? in z_erofs_load_lz4_config()
50 DIV_ROUND_UP(distance, PAGE_SIZE) + 1 : in z_erofs_load_lz4_config()
/linux/arch/x86/mm/
A Dnuma.c420 void __init numa_set_distance(int from, int to, int distance) in numa_set_distance() argument
428 from, to, distance); in numa_set_distance()
432 if ((u8)distance != distance || in numa_set_distance()
433 (from == to && distance != LOCAL_DISTANCE)) { in numa_set_distance()
435 from, to, distance); in numa_set_distance()
439 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
/linux/drivers/nvme/host/
A Dmultipath.c190 int found_distance = INT_MAX, fallback_distance = INT_MAX, distance; in __nvme_find_path() local
198 distance = node_distance(node, ns->ctrl->numa_node); in __nvme_find_path()
200 distance = LOCAL_DISTANCE; in __nvme_find_path()
204 if (distance < found_distance) { in __nvme_find_path()
205 found_distance = distance; in __nvme_find_path()
210 if (distance < fallback_distance) { in __nvme_find_path()
211 fallback_distance = distance; in __nvme_find_path()
/linux/lib/
A Ddecompress_unlzma.c427 uint32_t distance; in process_bit1() local
433 distance = cst->rep1; in process_bit1()
439 distance = cst->rep2; in process_bit1()
442 distance = cst->rep3; in process_bit1()
448 cst->rep0 = distance; in process_bit1()
/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()
/linux/Documentation/devicetree/bindings/input/rmi4/
A Drmi_2d_sensor.txt29 - syna,delta-x-threshold: Set the minimum distance on the X axis required
32 - syna,delta-y-threshold: Set the minimum distance on the Y axis required
/linux/arch/powerpc/platforms/pseries/
A Dlpar.c291 int distance; in update_vcpu_disp_stat() local
306 distance = cpu_relative_dispatch_distance(disp->last_disp_cpu, in update_vcpu_disp_stat()
308 if (distance < 0) in update_vcpu_disp_stat()
312 switch (distance) { in update_vcpu_disp_stat()
327 distance); in update_vcpu_disp_stat()
332 distance = cpu_home_node_dispatch_distance(disp_cpu); in update_vcpu_disp_stat()
333 if (distance < 0) in update_vcpu_disp_stat()
337 switch (distance) { in update_vcpu_disp_stat()
351 distance); in update_vcpu_disp_stat()
/linux/net/rxrpc/
A Dconn_client.c220 int id_cursor, id, distance, limit; in rxrpc_may_reuse_conn() local
241 distance = id - id_cursor; in rxrpc_may_reuse_conn()
242 if (distance < 0) in rxrpc_may_reuse_conn()
243 distance = -distance; in rxrpc_may_reuse_conn()
245 if (distance > limit) in rxrpc_may_reuse_conn()

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