| /linux-6.3-rc2/tools/testing/selftests/cgroup/ |
| A D | memcg_protection.m | 5 % This script simulates reclaim protection behavior on a single level of memcg
10 % reclaim) and then the reclaim starts, all memory is reclaimable, i.e. treated
11 % same. It simulates only non-low reclaim and assumes all memory.min = 0.
27 % Minimal reclaim amount (GB)
72 % nothing to reclaim, reached equilibrium
79 % XXX here I do parallel reclaim of all siblings
80 % in reality reclaim is serialized and each sibling recalculates own residual
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| /linux-6.3-rc2/Documentation/core-api/ |
| A D | gfp_mask-from-fs-io.rst | 15 memory reclaim calling back into the FS or IO paths and blocking on
25 of GFP_NOFS/GFP_NOIO can lead to memory over-reclaim or other memory
26 reclaim issues.
44 any critical section with respect to the reclaim is started - e.g.
45 lock shared with the reclaim context or when a transaction context
46 nesting would be possible via reclaim. The restore function should be
48 explanation what is the reclaim context for easier maintenance.
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| A D | memory-allocation.rst | 43 direct reclaim may be triggered under memory pressure; the calling
46 handler, use ``GFP_NOWAIT``. This flag prevents direct reclaim and
74 prevent recursion deadlocks caused by direct memory reclaim calling
87 GFP flags and reclaim behavior
89 Memory allocations may trigger direct or background reclaim and it is
95 doesn't kick the background reclaim. Should be used carefully because it
97 reclaim.
101 context but can wake kswapd to reclaim memory if the zone is below
111 * ``GFP_KERNEL`` - both background and direct reclaim are allowed and the
119 reclaim (one round of reclaim in this implementation). The OOM killer
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| /linux-6.3-rc2/Documentation/ABI/testing/ |
| A D | sysfs-kernel-mm-numa | 9 Description: Enable/disable demoting pages during reclaim
11 Page migration during reclaim is intended for systems
16 Allowing page migration during reclaim enables these
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| /linux-6.3-rc2/Documentation/admin-guide/mm/ |
| A D | multigen_lru.rst | 7 page reclaim and improves performance under memory pressure. Page
8 reclaim decides the kernel's caching policy and ability to overcommit
138 Proactive reclaim
140 Proactive reclaim induces page reclaim when there is no memory
142 comes in, the job scheduler wants to proactively reclaim cold pages on
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| /linux-6.3-rc2/Documentation/admin-guide/device-mapper/ |
| A D | dm-zoned.rst | 27 internally for storing metadata and performing reclaim operations.
108 situation, a reclaim process regularly scans used conventional zones and
109 tries to reclaim the least recently used zones by copying the valid
128 (for both incoming BIO processing and reclaim process) and all dirty
184 Normally the reclaim process will be started once there are less than 50
185 percent free random zones. In order to start the reclaim process manually
191 dmsetup message /dev/dm-X 0 reclaim
193 will start the reclaim process and random zones will be moved to sequential
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| /linux-6.3-rc2/arch/x86/kernel/cpu/sgx/ |
| A D | encl.h | 119 struct sgx_epc_page *sgx_alloc_va_page(bool reclaim);
126 struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl, bool reclaim);
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| A D | sgx.h | 92 struct sgx_epc_page *sgx_alloc_epc_page(void *owner, bool reclaim);
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| /linux-6.3-rc2/Documentation/mm/ |
| A D | multigen_lru.rst | 7 page reclaim and improves performance under memory pressure. Page
8 reclaim decides the kernel's caching policy and ability to overcommit
109 eviction. They form a closed-loop system, i.e., the page reclaim.
165 can incur the highest CPU cost in the reclaim path.
194 global reclaim, which is critical to system-wide memory overcommit in
195 data centers. Note that memcg LRU only applies to global reclaim.
207 In terms of global reclaim, it has two distinct features:
211 2. Eventual fairness, which allows direct reclaim to bail out at will
214 In terms of traversing memcgs during global reclaim, it improves the
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| A D | physical_memory.rst | 261 Workqueues used to synchronize memory reclaim tasks
267 Number of pages written while reclaim is throttled waiting for writeback.
270 Controls the order kswapd tries to reclaim
276 Number of runs kswapd was unable to reclaim any pages
288 Flags controlling reclaim behavior.
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| /linux-6.3-rc2/Documentation/translations/zh_CN/admin-guide/mm/damon/ |
| A D | index.rst | 24 reclaim
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| /linux-6.3-rc2/tools/testing/selftests/damon/ |
| A D | Makefile | 12 TEST_PROGS += reclaim.sh lru_sort.sh
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| /linux-6.3-rc2/Documentation/admin-guide/mm/damon/ |
| A D | index.rst | 16 reclaim
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| /linux-6.3-rc2/mm/damon/ |
| A D | Makefile | 8 obj-$(CONFIG_DAMON_RECLAIM) += modules-common.o reclaim.o
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| A D | Kconfig | 88 bool "Build DAMON-based reclaim (DAMON_RECLAIM)"
92 that not accessed for a long time (cold) using DAMON and reclaim
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| /linux-6.3-rc2/Documentation/admin-guide/sysctl/ |
| A D | vm.rst | 487 A percentage of the total pages in each zone. On Zone reclaim
491 systems that rarely perform global reclaim.
495 Note that slab reclaim is triggered in a per zone / node fashion.
505 This is a percentage of the total pages in each zone. Zone reclaim will
954 This percentage value controls the tendency of the kernel to reclaim
963 causes the kernel to prefer to reclaim dentries and inodes.
1002 A high rate of threads entering direct reclaim (allocstall) or kswapd
1020 1 Zone reclaim on
1021 2 Zone reclaim writes dirty pages out
1022 4 Zone reclaim swaps pages
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| /linux-6.3-rc2/drivers/md/ |
| A D | dm-zoned-target.c | 422 dmz_reclaim_bio_acc(zone->dev->reclaim); in dmz_handle_bio()
928 ret = dmz_ctr_reclaim(dmz->metadata, &dmz->dev[i].reclaim, i); in dmz_ctr()
970 dmz_dtr_reclaim(dmz->dev[i].reclaim); in dmz_dtr()
1043 dmz_suspend_reclaim(dmz->dev[i].reclaim); in dmz_suspend()
1057 dmz_resume_reclaim(dmz->dev[i].reclaim); in dmz_resume()
1134 dmz_schedule_reclaim(dmz->dev[i].reclaim); in dmz_message()
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| A D | dm-zoned.h | 57 struct dmz_reclaim *reclaim; member
291 dmz_reclaim_bio_acc(zone->dev->reclaim); in dmz_deactivate_zone()
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| /linux-6.3-rc2/drivers/usb/host/ |
| A D | oxu210hp-hcd.c | 2094 next = qh->reclaim; in end_unlink_async()
2095 oxu->reclaim = next; in end_unlink_async()
2097 qh->reclaim = NULL; in end_unlink_async()
2116 oxu->reclaim = NULL; in end_unlink_async()
2139 && !oxu->reclaim) { in start_unlink_async()
2832 && oxu->reclaim in unlink_async()
2837 last->reclaim; in unlink_async()
2841 last->reclaim = qh; in unlink_async()
2988 if (oxu->reclaim) { in oxu_watchdog()
3036 oxu->reclaim = NULL; in oxu_hcd_init()
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| /linux-6.3-rc2/drivers/media/mmc/siano/ |
| A D | smssdio.c | 303 goto reclaim; in smssdio_probe()
307 reclaim: in smssdio_probe()
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| /linux-6.3-rc2/Documentation/accounting/ |
| A D | taskstats-struct.rst | 38 6) Extended delay accounting fields for memory reclaim
191 6) Extended delay accounting fields for memory reclaim::
193 /* Delay waiting for memory reclaim */
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| /linux-6.3-rc2/fs/ |
| A D | splice.c | 298 size_t used, npages, chunk, remain, reclaim; in direct_splice_read() local
335 reclaim = npages * PAGE_SIZE; in direct_splice_read()
338 reclaim -= ret; in direct_splice_read()
352 reclaim /= PAGE_SIZE; in direct_splice_read()
353 if (reclaim) { in direct_splice_read()
354 npages -= reclaim; in direct_splice_read()
355 release_pages(pages + npages, reclaim); in direct_splice_read()
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| /linux-6.3-rc2/Documentation/admin-guide/cgroup-v1/ |
| A D | memory.rst | 85 memory.force_empty trigger forced page reclaim
186 More details can be found in the reclaim section of this document.
274 to reclaim memory from the cgroup so as to make space for the new
275 pages that the cgroup has touched. If the reclaim is unsuccessful,
279 The reclaim algorithm has not been modified for cgroups, except that
331 to trigger slab reclaim when those limits are reached.
608 Please note that unlike during the global reclaim, limit reclaim
611 if there are no file pages to reclaim.
679 6.1 Hierarchical accounting and reclaim
707 hints/setup. Currently soft limit based reclaim is set up such that
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| /linux-6.3-rc2/include/linux/lockd/ |
| A D | xdr.h | 69 u32 reclaim; member
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| /linux-6.3-rc2/fs/lockd/ |
| A D | clntproc.c | 279 if (host->h_reclaiming && !argp->reclaim) in nlmclnt_call()
309 if (argp->reclaim) { in nlmclnt_call()
315 if (!argp->reclaim) { in nlmclnt_call()
633 req->a_args.reclaim = 1; in nlmclnt_reclaim()
|