| /linux-6.6.21/Documentation/admin-guide/cgroup-v1/ |
| D | hugetlb.rst | 7 # mount -t cgroup -o hugetlb none /sys/fs/cgroup
24 …hugetlb.<hugepagesize>.rsvd.limit_in_bytes # set/show limit of "hugepagesize" hugetlb r…
25 …hugetlb.<hugepagesize>.rsvd.max_usage_in_bytes # show max "hugepagesize" hugetlb reservatio…
26 …hugetlb.<hugepagesize>.rsvd.usage_in_bytes # show current reservations and no-reserve f…
27 …hugetlb.<hugepagesize>.rsvd.failcnt # show the number of allocation failure due …
28 …hugetlb.<hugepagesize>.limit_in_bytes # set/show limit of "hugepagesize" hugetlb f…
29 …hugetlb.<hugepagesize>.max_usage_in_bytes # show max "hugepagesize" hugetlb usage rec…
30 …hugetlb.<hugepagesize>.usage_in_bytes # show current usage for "hugepagesize" huge…
31 …hugetlb.<hugepagesize>.failcnt # show the number of allocation failure due …
32 …hugetlb.<hugepagesize>.numa_stat # show the numa information of the hugetlb m…
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| D | index.rst | 17 hugetlb
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| /linux-6.6.21/tools/testing/selftests/mm/ |
| D | charge_reserved_hugetlb.sh | 39 mount -t cgroup memory,hugetlb $cgroup_path
99 echo "$cgroup_limit" >$cgroup_path/$name/hugetlb.${MB}MB.$fault_limit_file
103 $cgroup_path/$name/hugetlb.${MB}MB.$reservation_limit_file
118 echo Waiting for hugetlb memory to get depleted.
131 echo Waiting for hugetlb memory reservation to reach size $size.
144 echo Waiting for hugetlb memory to reach size $size.
167 local hugetlb_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file
168 local reserved_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file
299 local final_hugetlb=$(cat $cgroup_path/hugetlb_cgroup_test/hugetlb.${MB}MB.$fault_usage_file)
300 …local final_reservation=$(cat $cgroup_path/hugetlb_cgroup_test/hugetlb.${MB}MB.$reservation_usage_…
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| D | hugetlb_reparenting_test.sh | 34 mount -t cgroup memory,hugetlb $CGROUP_ROOT
90 echo actual a hugetlb = $((${actual_a_hugetlb%% *} / 1024 / 1024)) MB
91 echo expected a hugetlb = $((${expected_a_hugetlb%% *} / 1024 / 1024)) MB
118 echo actual b hugetlb = $((${actual_b_hugetlb%% *} / 1024 / 1024)) MB
119 echo expected b hugetlb = $((${expected_b_hugetlb%% *} / 1024 / 1024)) MB
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| D | .gitignore | 7 hugetlb-madvise
8 hugetlb-read-hwpoison
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| D | run_vmtests.sh | 222 CATEGORY="hugetlb" run_test ./hugetlb-madvise
249 CATEGORY="userfaultfd" run_test ${uffd_stress_bin} hugetlb "$half_ufd_size_MB" 32
250 CATEGORY="userfaultfd" run_test ${uffd_stress_bin} hugetlb-private "$half_ufd_size_MB" 32
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| D | va_high_addr_switch.sh | 64 ./va_high_addr_switch --run-hugetlb
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| D | Makefile | 43 TEST_GEN_FILES += hugetlb-madvise
44 TEST_GEN_FILES += hugetlb-read-hwpoison
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| D | uffd-common.c | 21 static int uffd_mem_fd_create(off_t mem_size, bool hugetlb) in uffd_mem_fd_create() argument
26 if (hugetlb) in uffd_mem_fd_create()
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| /linux-6.6.21/Documentation/translations/zh_CN/mm/ |
| D | hugetlbfs_reserv.rst | 284 助函数，该函数调用这些低级函数中的一个。这些低级函数在源代码（mm/hugetlb.c）中得到了相当好的
416 * 当cpuset被配置时，它打破了严格的hugetlb页面预留，因为计数是在一个全局变量上完
421 * hugetlb映射的语义变化是不可取的。然而，为了预留一些语义，我们退回到检查当前空闲
432 最完整的hugetlb测试集在libhugetlbfs仓库。如果你修改了任何hugetlb相关的代码，请使用
433 libhugetlbfs测试套件来检查回归情况。此外，如果你添加了任何新的hugetlb功能，请在
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| D | page_migration.rst | 209 页是一个非THP和非hugetlb页，那么这个计数器会增加1。如果该页面是一个THP或hugetlb
210 页面，那么这个计数器会随着THP或hugetlb子页面的数量而增加。例如，迁移一个有4KB大小
214 果是THP或hugetlb，这个计数将被子页的数量增加。
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| /linux-6.6.21/mm/ |
| D | hugetlb_cgroup.c | 242 static inline void hugetlb_event(struct hugetlb_cgroup *hugetlb, int idx, in hugetlb_event() argument
245 atomic_long_inc(&hugetlb->events_local[idx][event]); in hugetlb_event()
246 cgroup_file_notify(&hugetlb->events_local_file[idx]); in hugetlb_event()
249 atomic_long_inc(&hugetlb->events[idx][event]); in hugetlb_event()
250 cgroup_file_notify(&hugetlb->events_file[idx]); in hugetlb_event()
251 } while ((hugetlb = parent_hugetlb_cgroup(hugetlb)) && in hugetlb_event()
252 !hugetlb_cgroup_is_root(hugetlb)); in hugetlb_event()
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| D | memory-failure.c | 1385 bool hugetlb = false; in __get_hwpoison_page() local
1387 ret = get_hwpoison_hugetlb_folio(folio, &hugetlb, false); in __get_hwpoison_page()
1388 if (hugetlb) { in __get_hwpoison_page()
1482 bool hugetlb = false; in __get_unpoison_page() local
1484 ret = get_hwpoison_hugetlb_folio(folio, &hugetlb, true); in __get_unpoison_page()
1485 if (hugetlb) { in __get_unpoison_page()
2025 static int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb) in try_memory_failure_hugetlb() argument
2033 *hugetlb = 1; in try_memory_failure_hugetlb()
2037 *hugetlb = 0; in try_memory_failure_hugetlb()
2093 static inline int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb) in try_memory_failure_hugetlb() argument
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| D | Makefile | 77 obj-$(CONFIG_HUGETLBFS) += hugetlb.o
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| D | hugetlb.c | 7225 int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison) in get_hwpoison_hugetlb_folio() argument
7229 *hugetlb = false; in get_hwpoison_hugetlb_folio()
7232 *hugetlb = true; in get_hwpoison_hugetlb_folio()
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| /linux-6.6.21/include/linux/ |
| D | cgroup_subsys.h | 53 SUBSYS(hugetlb)
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| D | page-flags.h | 820 SETPAGEFLAG(HugeTLB, hugetlb, PF_SECOND) in SETPAGEFLAG() argument
821 CLEARPAGEFLAG(HugeTLB, hugetlb, PF_SECOND) in SETPAGEFLAG()
838 TESTPAGEFLAG_FALSE(Huge, hugetlb)
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| D | hugetlb.h | 166 int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison);
448 static inline int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison) in get_hwpoison_hugetlb_folio() argument
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| /linux-6.6.21/Documentation/ABI/testing/ |
| D | sysfs-kernel-mm-hugepages | 3 Contact: Nishanth Aravamudan <nacc@us.ibm.com>, hugetlb maintainers
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| /linux-6.6.21/Documentation/admin-guide/mm/ |
| D | hugetlbpage.rst | 28 persistent hugetlb pages in the kernel's huge page pool. It also displays
62 with each hugetlb page is enabled, the number of surplus huge pages
86 hugetlb page is enabled, we can fail to free the huge pages triggered by
125 if hugepages is the first or only hugetlb command line parameter it
207 indicates that the hugetlb subsystem is allowed to try to obtain that
432 While read system calls are supported on files that reside on hugetlb
443 Users who wish to use hugetlb memory via shared memory segment should be
449 Syscalls that operate on memory backed by hugetlb pages only have their lengths
451 errno set to EINVAL or exclude hugetlb pages that extend beyond the length if
453 a hugetlb page and the length is smaller than the hugepage size.
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| /linux-6.6.21/Documentation/mm/ |
| D | page_migration.rst | 168 page was migrated. If the page was a non-THP and non-hugetlb page, then
169 this counter is increased by one. If the page was a THP or hugetlb, then
170 this counter is increased by the number of THP or hugetlb subpages.
176 if it was a THP or hugetlb.
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| D | hugetlbfs_reserv.rst | 235 After obtaining a new hugetlb folio, (folio)->_hugetlb_subpool is set to the
375 code (mm/hugetlb.c). These routines are::
563 * When cpuset is configured, it breaks the strict hugetlb page
573 * The change of semantics for shared hugetlb mapping with cpuset is
589 The most complete set of hugetlb tests are in the libhugetlbfs repository.
590 If you modify any hugetlb related code, use the libhugetlbfs test suite
591 to check for regressions. In addition, if you add any new hugetlb
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| /linux-6.6.21/Documentation/core-api/ |
| D | mm-api.rst | 125 .. kernel-doc:: mm/hugetlb.c
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| /linux-6.6.21/Documentation/admin-guide/ |
| D | cgroup-v2.rst | 2397 hugetlb.<hugepagesize>.current
2398 Show current usage for "hugepagesize" hugetlb. It exists for all
2401 hugetlb.<hugepagesize>.max
2402 Set/show the hard limit of "hugepagesize" hugetlb usage.
2405 hugetlb.<hugepagesize>.events
2411 hugetlb.<hugepagesize>.events.local
2412 Similar to hugetlb.<hugepagesize>.events but the fields in the file
2416 hugetlb.<hugepagesize>.numa_stat
2418 hugetlb pages of <hugepagesize> in this cgroup. Only active in
2419 use hugetlb pages are included. The per-node values are in bytes.
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| /linux-6.6.21/Documentation/filesystems/ |
| D | proc.rst | 280 HugetlbPages size of hugetlb memory portions
1825 - (bit 5) hugetlb private memory
1826 - (bit 6) hugetlb shared memory
1833 Note that bits 0-4 don't affect hugetlb or DAX memory. hugetlb memory is
1837 segments, ELF header pages and hugetlb private memory are dumped.
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