| /linux/tools/testing/selftests/mm/ |
| H A D | uffd-wp-mremap.c | 63 static void *alloc_one_folio(size_t size, bool private, bool hugetlb) in alloc_one_folio() argument
65 bool thp = !hugetlb && size > pagesize; in alloc_one_folio()
93 if (hugetlb) { in alloc_one_folio()
156 bool swapout, bool hugetlb) in test_one_folio() argument
163 assert(!(hugetlb && swapout)); in test_one_folio()
170 hugetlb ? "true" : "false"); in test_one_folio()
173 mem = alloc_one_folio(size, private, hugetlb); in test_one_folio()
237 hugetlb ? "true" : "false"); in test_one_folio()
252 bool hugetlb; member
262 .hugetlb = false,
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| H A D | charge_reserved_hugetlb.sh | 41 echo "+hugetlb" >$cgroup_path/cgroup.subtree_control
43 cgroup_path=$(mount -t cgroup | grep ",hugetlb" | awk '{print $3}')
46 mount -t cgroup memory,hugetlb $cgroup_path
106 echo "$cgroup_limit" >$cgroup_path/$name/hugetlb.${MB}MB.$fault_limit_file
110 $cgroup_path/$name/hugetlb.${MB}MB.$reservation_limit_file
145 local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
153 local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$reservation_usage_file"
161 local path="$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file"
183 local hugetlb_usage=$cgroup_path/$cgroup/hugetlb.${MB}MB.$fault_usage_file
184 local reserved_usage=$cgroup_path/$cgroup/hugetlb
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| H A D | .gitignore | 7 hugetlb-madvise
8 hugetlb-read-hwpoison
9 hugetlb-soft-offline
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| H A D | run_vmtests.sh | 78 - hugetlb
134 # -t: thp=on, -T: thp=off, -H: hugetlb=on
169 # hugetlb test requires a minimum of 2 * nr_cpus huge pages. Take
241 if [ ${CATEGORY} == "thp" -o ${CATEGORY} == "hugetlb" ]; then
285 CATEGORY="hugetlb" run_test ./hugepage-mmap
291 CATEGORY="hugetlb" run_test ./hugepage-shm
295 CATEGORY="hugetlb" run_test ./map_hugetlb
296 CATEGORY="hugetlb" run_test ./hugepage-mremap
297 CATEGORY="hugetlb" run_test ./hugepage-vmemmap
298 CATEGORY="hugetlb" run_tes
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| H A D | Makefile | 63 TEST_GEN_FILES += hugetlb-madvise
64 TEST_GEN_FILES += hugetlb-read-hwpoison
65 TEST_GEN_FILES += hugetlb-soft-offline
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| H A D | va_high_addr_switch.sh | 116 ./va_high_addr_switch --run-hugetlb
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| H A D | hugetlb_reparenting_test.sh | 35 mount -t cgroup memory,hugetlb $CGROUP_ROOT
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| H A D | uffd-common.c | 33 static int uffd_mem_fd_create(off_t mem_size, bool hugetlb) in uffd_mem_fd_create() argument
38 if (hugetlb) in uffd_mem_fd_create()
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| H A D | cow.c | 249 * With hugetlb, some vmsplice() tests are currently expected to in do_test_cow_in_parent()
380 * With hugetlb, some vmsplice() tests are currently expected to in do_test_vmsplice_in_parent()
778 typedef void (*test_fn)(char *mem, size_t size, bool hugetlb); in do_run_with_base_page()
1057 log_test_start("%s ... with hugetlb (%zu kB)", desc, in run_with_hugetlb()
1073 * We need a total of two hugetlb pages to handle COW/unsharing in run_with_hugetlb()
1762 log_test_start("%s ... with memfd hugetlb (%zu kB)", desc, in run_with_memfd_hugetlb()
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| /linux/Documentation/translations/zh_CN/mm/ |
| H A 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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| H A 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/mm/ |
| H A D | hugetlb_cgroup.c | 240 static inline void hugetlb_event(struct hugetlb_cgroup *hugetlb, int idx, in hugetlb_event() argument
243 atomic_long_inc(&hugetlb->events_local[idx][event]); in hugetlb_event()
244 cgroup_file_notify(&hugetlb->events_local_file[idx]); in hugetlb_event()
247 atomic_long_inc(&hugetlb->events[idx][event]); in hugetlb_event()
248 cgroup_file_notify(&hugetlb->events_file[idx]); in hugetlb_event()
249 } while ((hugetlb = parent_hugetlb_cgroup(hugetlb)) && in hugetlb_event()
250 !hugetlb_cgroup_is_root(hugetlb)); in hugetlb_event()
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| H A D | memory-failure.c | 1358 bool hugetlb = false; in __get_hwpoison_page() local
1360 ret = get_hwpoison_hugetlb_folio(folio, &hugetlb, false); in __get_hwpoison_page()
1361 if (hugetlb) { in __get_hwpoison_page()
1457 bool hugetlb = false; in __get_unpoison_page() local
1459 ret = get_hwpoison_hugetlb_folio(folio, &hugetlb, true); in __get_unpoison_page()
1460 if (hugetlb) { in __get_unpoison_page()
2035 static int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb) in try_memory_failure_hugetlb() argument
2043 *hugetlb = 1; in try_memory_failure_hugetlb()
2048 *hugetlb = 0; in try_memory_failure_hugetlb()
2110 static inline int try_memory_failure_hugetlb(unsigned long pfn, int flags, int *hugetlb) in try_memory_failure_hugetlb() argument
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| H A D | debug.c | 53 DEF_PAGETYPE_NAME(hugetlb),
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| H A D | hugetlb.c | 7138 int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison) in get_hwpoison_hugetlb_folio() argument
7142 *hugetlb = false; in get_hwpoison_hugetlb_folio()
7145 *hugetlb = true; in get_hwpoison_hugetlb_folio()
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| /linux/include/linux/ |
| H A D | cgroup_subsys.h | 53 SUBSYS(hugetlb)
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-kernel-mm-hugepages | 3 Contact: Nishanth Aravamudan <nacc@us.ibm.com>, hugetlb maintainers
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| /linux/Documentation/admin-guide/ |
| H A D | cgroup-v2.rst | 1783 hugetlb
1784 Amount of memory used by hugetlb pages. This metric only shows
1785 up if hugetlb usage is accounted for in memory.current (i.e.
2840 hugetlb.<hugepagesize>.current
2841 Show current usage for "hugepagesize" hugetlb. It exists for all
2844 hugetlb.<hugepagesize>.max
2845 Set/show the hard limit of "hugepagesize" hugetlb usage.
2848 hugetlb.<hugepagesize>.events
2854 hugetlb.<hugepagesize>.events.local
2855 Similar to hugetlb.<hugepagesize>.events but the fields in the file
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| H A D | kernel-parameters.txt | 1236 APIs. In addition, this is the default hugetlb size
2118 Allows heavy hugetlb users to free up some more
2119 memory (7 * PAGE_SIZE for each 2MB hugetlb page).
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| /linux/Documentation/ |
| H A D | .renames.txt | 130 cgroup-v1/hugetlb admin-guide/cgroup-v1/hugetlb
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| /linux/Documentation/admin-guide/sysctl/ |
| H A D | vm.rst | 365 shared memory segment using hugetlb page.
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| /linux/ |
| H A D | CREDITS | 2261 D: Maintenance and development of the hugetlb subsystem
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| H A D | MAINTAINERS | 11895 F: include/linux/hugetlb.h
11897 F: mm/hugetlb.c
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