| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-kernel-mm-memory-tiers | 6 Individual memory tier details are contained in subdirectories
7 named by the abstract distance of the memory tier.
16 Description: Directory with details of a specific memory tier
19 memory tier, memtierN, where N is derived based on abstract distance.
21 A smaller value of N implies a higher (faster) memory tier in the
24 nodelist: NUMA nodes that are part of this memory tier.
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| H A D | sysfs-kernel-mm-numa | 18 when the fast tier is under pressure. This migration
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| /linux/mm/ |
| H A D | memory-tiers.c | 16 /* list of all memory types part of this tier */
19 * start value of abstract distance. memory tier maps
161 struct memory_tier *tier = to_memory_tier(dev); in memory_tier_device_release() local
164 * we don't have rcu access to this memory tier. in memory_tier_device_release()
166 kfree(tier); in memory_tier_device_release()
209 * If the memtype is already part of a memory tier, in find_create_memory_tier()
443 * Add all memory nodes except the selected memory tier in establish_demotion_targets()
450 * Find all the nodes in the memory tier node list of same best distance. in establish_demotion_targets()
469 * Promotion is allowed from a memory tier to higher in establish_demotion_targets()
470 * memory tier only if the memory tier doesn't include in establish_demotion_targets()
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| H A D | vmscan.c | 150 /* Always discard instead of demoting to lower tier memory */
1616 * Reclaiming directly from top tier nodes is not often desired in shrink_folio_list()
1618 * should be reclaimed from lower tier nodes and demoted from in shrink_folio_list()
1619 * top tier nodes. in shrink_folio_list()
1621 * However, disabling reclaim from top tier nodes entirely in shrink_folio_list()
1622 * would cause ooms in edge scenarios where lower tier memory in shrink_folio_list()
1625 * from top tier nodes in proactive reclaim though as that is in shrink_folio_list()
3166 * The P term is refaulted/(evicted+protected) from a tier in the generation
3171 * The setpoint (SP) is always the first tier of one type; the process variable
3172 * (PV) is either any tier of the other type or any other tier of the same
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| H A D | workingset.c | 243 int tier = lru_tier_from_refs(refs, workingset); in lru_gen_eviction() local
255 atomic_long_add(delta, &lrugen->evicted[hist][type][tier]); in lru_gen_eviction()
286 int hist, tier, refs; in lru_gen_refault() local
309 tier = lru_tier_from_refs(refs, workingset); in lru_gen_refault()
311 atomic_long_add(delta, &lrugen->refaulted[hist][type][tier]); in lru_gen_refault()
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| H A D | mprotect.c | 163 * Skip scanning top tier node if normal numa in prot_numa_skip()
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| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | twfw.c | 43 const struct twfw_tier_value* tier = bpf_map_lookup_elem(&tiers, &key); in twfw_verifier() local
44 if (!tier) in twfw_verifier()
53 unsigned long mask = tier->mask[rule->seqnum / 64]; in twfw_verifier()
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | switch.rst | 51 Upper Tier - Determine which array member the I/O should be sent to.
52 Lower Tier - Load balance amongst paths to a particular member.
54 The lower tier consists of a single dm multipath device for each member.
61 The upper tier consists of a single dm-switch device. This device uses
63 lower tier device to route the I/O. By using a bitmap we are able to
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| /linux/drivers/media/platform/allegro-dvt/ |
| H A D | nal-hevc.h | 348 * nal_hevc_tier() - Get tier_flag for v4l2 hevc tier
349 * @tier: the tier as &enum v4l2_mpeg_video_hevc_tier
354 * Return: the tier_flag for the passed tier
356 static inline int nal_hevc_tier(enum v4l2_mpeg_video_hevc_tier tier) in nal_hevc_tier() argument
358 switch (tier) { in nal_hevc_tier()
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| H A D | allegro-mail.h | 65 u16 tier; member
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| H A D | allegro-mail.c | 111 dst[i++] = FIELD_PREP(GENMASK(31, 16), param->tier) | in allegro_encode_config_blob()
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| /linux/Documentation/mm/ |
| H A D | multigen_lru.rst | 99 times through file descriptors is in tier ``order_base_2(N)``. Unlike
132 ``min_seq%MAX_NR_GENS`` becomes empty. To select a type and a tier to
134 If both types are equally old, it selects the one whose first tier has
135 a lower refault percentage. The first tier contains single-use
141 loop has detected outlying refaults from the tier this page is in. To
142 this end, the feedback loop uses the first tier as the baseline, for
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | brcm,systemport.yaml | 42 Number of tier 2 arbiters
47 Number of tier 2 arbiters
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| /linux/Documentation/driver-api/cxl/linux/ |
| H A D | early-boot.rst | 100 During :code:`__init`, Linux initializes the system with a default memory tier that
109 Tier membership can be inspected in ::
116 nodes default to the DRAM tier, unless HMAT/CDAT information is reported to the
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| H A D | overview.rst | 35 d) Memory Tier Creation
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| /linux/drivers/media/platform/amphion/ |
| H A D | vpu_codec.h | 13 u32 tier; member
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| /linux/drivers/clocksource/ |
| H A D | sh_mtu2.c | 59 #define TIER 3 /* channel register */ macro
150 [TIER] = 4,
237 sh_mtu2_write(ch, TIER, TIER_TGIEA); in sh_mtu2_enable()
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| H A D | timer-ti-dm.c | 101 u32 tier; member
309 dmtimer_write(timer, timer->irq_ena, timer->context.tier); in omap_timer_restore_context()
321 timer->context.tier = dmtimer_read(timer, timer->irq_ena); in omap_timer_save_context()
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| /linux/Documentation/driver-api/cxl/allocation/ |
| H A D | reclaim.rst | 50 will prefer the slowest form of CXL memory by default until that tier of
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| /linux/include/linux/ |
| H A D | plist.h | 27 * - The tier 1 list is the prio_list, different priority nodes.
29 * - The tier 2 list is the node_list, serialized nodes.
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| H A D | mmzone.h | 246 * fast-tier node. These promotions bypass the regular hotness checks
403 * through file descriptors is in tier order_base_2(N). A folio in the first
404 * tier (N=0,1) is marked by PG_referenced unless it was faulted in through page
405 * tables or read ahead. A folio in the last tier (MAX_NR_TIERS-1) is marked by
406 * PG_workingset. A folio in any other tier (1<N<5) between the first and last
412 * comparisons of refaulted/(evicted+protected) from the first tier and the rest
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| /linux/Documentation/driver-api/cxl/platform/ |
| H A D | acpi.rst | 68 * Result: NUMA node being placed in the wrong memory tier.
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-codec.rst | 2476 .. _v4l2-hevc-tier:
2482 TIER_FLAG specifies tiers information of the HEVC encoded picture. Tier
2484 rate. Setting the flag to 0 selects HEVC tier as Main tier and setting
2485 this flag to 1 indicates High tier. High tier is for applications requiring
2489 ``V4L2_MPEG_VIDEO_HEVC_TIER_MAIN`` Main tier.
2490 ``V4L2_MPEG_VIDEO_HEVC_TIER_HIGH`` High tier.
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| /linux/drivers/infiniband/hw/irdma/ |
| H A D | ws.c | 273 /* Find a second tier node that matches the VSI */ in irdma_ws_add()
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| /linux/drivers/usb/core/ |
| H A D | devices.c | 441 * level = topology-tier level; in usb_device_dump()
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