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/linux/Documentation/arch/powerpc/
H A Dassociativity.rst10 characteristic is presented in terms of NUMA node distance within the Linux kernel.
29 device tree properties are used to determine the NUMA distance between resource groups/domains.
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
49 Form 2 associativity format adds separate device tree properties representing NUMA node distance
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".
68 computing the distance of domain 8 from other domains present in the system. For the rest of
69 this document, this offset will be referred to as domain distance offset.
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/linux/arch/csky/lib/
H 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/Documentation/staging/
H A Dlzo.rst26 - a distance when copying data from the dictionary (past output buffer)
32 extra data can be a complement for the operand (eg: a length or a distance
66 taken from the last two bits of an extra operand (eg: distance).
68 End of stream is declared when a block copy of distance 0 is seen. Only one
69 instruction may encode this distance (0001HLLL), it takes one LE16 operand
70 for the distance, thus requiring 3 bytes.
133 the instruction's opcode or distance), the instruction is a copy of a
134 2-byte block from the dictionary within a 1kB distance. It is worth
139 0 0 0 0 D D S S (0..15) : copy 2 bytes from <= 1kB distance
143 distance = (H << 2) + D + 1
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/linux/drivers/of/
H 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/drivers/video/fbdev/
H A Darcfb.c249 unsigned int left, unsigned int right, unsigned int distance) in arcfb_lcd_update_page() argument
303 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()
329 lower = min(upper + distance - 1, ceil64(upper)); in arcfb_lcd_update_horiz()
331 while (distance > 0) { in arcfb_lcd_update_horiz()
332 distance -= ((lower - upper) + 1 ); in arcfb_lcd_update_horiz()
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/linux/arch/arm64/boot/dts/hisilicon/
H A Dhip07-d05.dts23 distance-map {
24 compatible = "numa-distance-map-v1";
25 distance-matrix = <0 0 10>,
/linux/mm/
H 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()
H A Dmemory-tiers.c419 int distance, best_distance; in establish_demotion_targets() local
459 distance = node_distance(node, target); in establish_demotion_targets()
460 if (distance == best_distance || best_distance == -1) { in establish_demotion_targets()
461 best_distance = distance; in establish_demotion_targets()
/linux/drivers/pci/
H A Dp2pdma.c791 int i, distance; in pci_p2pdma_distance_many() local
805 map = calc_map_type_and_dist(provider, pci_client, &distance, in pci_p2pdma_distance_many()
816 total_dist += distance; in pci_p2pdma_distance_many()
862 int distance; in pci_p2pmem_find_many() local
877 distance = pci_p2pdma_distance_many(pdev, clients, in pci_p2pmem_find_many()
879 if (distance < 0 || distance > closest_distance) in pci_p2pmem_find_many()
882 if (distance == closest_distance && dev_cnt >= max_devs) in pci_p2pmem_find_many()
885 if (distance < closest_distance) { in pci_p2pmem_find_many()
890 closest_distance = distance; in pci_p2pmem_find_many()
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-proximity-as39356 Get the current distance in meters of storm (1km steps)
7 1000-40000 = distance in meters
H 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/Documentation/driver-api/cxl/platform/acpi/
H A Dslit.rst9 distance away from all other nodes.
11 The abstract distance described in this table does not describe any real
/linux/arch/riscv/kernel/
H A Dftrace.c119 unsigned long distance, orig_addr, pc = rec->ip - MCOUNT_AUIPC_SIZE; in ftrace_make_call() local
127 distance = addr > orig_addr ? addr - orig_addr : orig_addr - addr; in ftrace_make_call()
128 if (distance > JALR_RANGE) in ftrace_make_call()
/linux/drivers/iio/proximity/
H A DKconfig22 menu "Proximity and distance sensors"
103 the distance of objects. Supported types are mb1202, mb1212,
115 used to measure the distance of objects.
128 Say Y to build a driver for the RFD77402 Time-of-Flight (distance)
139 ranger sensor. This driver can be used to measure the distance
220 This driver can be used to measure the distance of objects.
242 This driver can be used to measure the distance of objects.
/linux/net/dccp/
H A Dackvec.c
/linux/Documentation/userspace-api/media/v4l/
H A Dpixfmt-z16.rst11 16-bit depth data with distance values at each pixel
18 distance to the respective point in the image coordinates. Distance unit
H A Ddepth-formats.rst10 Depth data provides distance to points, mapped onto the image plane
H A Dhsv-formats.rst13 and the distance to the center is the SATURATION. This is a very
/linux/lib/zstd/compress/
H A Dzstd_preSplit.c98 U64 distance = 0; in fpDistance() local
102 distance += in fpDistance()
105 return distance; in fpDistance()
/linux/net/rxrpc/
H 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/lib/
H 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/drivers/video/fbdev/aty/
H 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/arch/sparc/kernel/
H A Dprocess_64.c429 unsigned long fp, distance, rval; in clone_stackframe() local
447 distance = fp - psp; in clone_stackframe()
448 rval = (csp - distance); in clone_stackframe()
449 if (raw_copy_in_user((void __user *)rval, (void __user *)psp, distance)) in clone_stackframe()
/linux/arch/sh/lib/
H A Dmemcpy.S20 sub r4,r5 ! From here, r5 has the distance to r0
H A Dmemmove.S26 sub r5,r4 ! From here, r4 has the distance to r0

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