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Searched refs:madvise (Results 1 – 25 of 56) sorted by relevance

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/Linux-v5.15/tools/testing/selftests/vm/
Dmadv_populate.c67 ret = madvise(addr, pagesize, MADV_POPULATE_READ); in sense_support()
71 ret = madvise(addr, pagesize, MADV_POPULATE_WRITE); in sense_support()
89 ret = madvise(addr, SIZE, MADV_POPULATE_READ); in test_prot_read()
92 ret = madvise(addr, SIZE, MADV_POPULATE_WRITE); in test_prot_read()
110 ret = madvise(addr, SIZE, MADV_POPULATE_READ); in test_prot_write()
114 ret = madvise(addr, SIZE, MADV_POPULATE_WRITE); in test_prot_write()
136 ret = madvise(addr, SIZE, MADV_POPULATE_READ); in test_holes()
139 ret = madvise(addr, SIZE, MADV_POPULATE_WRITE); in test_holes()
144 ret = madvise(addr, 2 * pagesize, MADV_POPULATE_READ); in test_holes()
147 ret = madvise(addr, 2 * pagesize, MADV_POPULATE_WRITE); in test_holes()
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Dkhugepaged.c484 madvise(p, hpage_pmd_size, MADV_HUGEPAGE); in wait_for_scan()
499 madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE); in wait_for_scan()
522 madvise(p, page_size, MADV_DONTNEED); in alloc_at_fault()
617 if (madvise(p, page_size, MADV_PAGEOUT)) { in collapse_swapin_single_pte()
648 if (madvise(p, (max_ptes_swap + 1) * page_size, MADV_PAGEOUT)) { in collapse_max_ptes_swap()
669 if (madvise(p, max_ptes_swap * page_size, MADV_PAGEOUT)) { in collapse_max_ptes_swap()
698 madvise(p, hpage_pmd_size, MADV_HUGEPAGE); in collapse_single_pte_entry_compound()
704 madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE); in collapse_single_pte_entry_compound()
707 madvise(p + page_size, hpage_pmd_size - page_size, MADV_DONTNEED); in collapse_single_pte_entry_compound()
730 madvise(p, hpage_pmd_size, MADV_HUGEPAGE); in collapse_full_of_compound()
[all …]
Dtranshuge-stress.c40 if (madvise(ptr, HPAGE_SIZE, MADV_HUGEPAGE)) in allocate_transhuge()
95 if (madvise(ptr, len, MADV_HUGEPAGE)) in main()
133 if (madvise(p, HPAGE_SIZE - PAGE_SIZE, MADV_DONTNEED)) in main()
Dgup_test.c220 madvise(p, size, MADV_HUGEPAGE); in main()
222 madvise(p, size, MADV_NOHUGEPAGE); in main()
Dsplit_huge_page_test.c182 madvise(one_page, len, MADV_HUGEPAGE); in split_pmd_thp()
247 madvise(one_page, len, MADV_HUGEPAGE); in split_pte_mapped_thp()
Dprotection_keys.c744 ret = madvise(ptr, HPAGE_SIZE, MADV_HUGEPAGE); in malloc_pkey_anon_huge()
746 ret = madvise(ptr, HPAGE_SIZE, MADV_WILLNEED); in malloc_pkey_anon_huge()
1473 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in get_pointer_to_instructions()
1499 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in test_executing_on_unreadable_memory()
1533 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in test_implicit_mprotect_exec_only_memory()
Duserfaultfd.c207 if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED)) in anon_release_pages()
278 if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE)) in shmem_release_pages()
1385 if (madvise(area_dst, nr_pages * page_size, MADV_HUGEPAGE)) in userfaultfd_pagemap_test()
1389 if (madvise(area_dst, nr_pages * page_size, MADV_NOHUGEPAGE)) in userfaultfd_pagemap_test()
1414 if (madvise(area_dst, test_pgsize, MADV_PAGEOUT)) in userfaultfd_pagemap_test()
Dksm_tests.c166 if (madvise(addr, size, MADV_MERGEABLE)) { in ksm_merge_pages()
/Linux-v5.15/Documentation/admin-guide/mm/
Dtranshuge.rst56 interface and using madvise(2) and prctl(2) system calls.
79 MADV_HUGEPAGE madvise regions.
81 Embedded systems should enable hugepages only inside madvise regions
87 madvise(MADV_HUGEPAGE) on their critical mmapped regions.
103 echo madvise >/sys/kernel/mm/transparent_hugepage/enabled
107 anonymous hugepages in case they're not immediately free to madvise
119 echo defer+madvise >/sys/kernel/mm/transparent_hugepage/defrag
120 echo madvise >/sys/kernel/mm/transparent_hugepage/defrag
136 defer+madvise
138 only for regions that have used madvise(MADV_HUGEPAGE); all
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Dksm.rst32 Controlling KSM with madvise
36 has advised to be likely candidates for merging, by using the madvise(2)
39 int madvise(addr, length, MADV_MERGEABLE)
45 int madvise(addr, length, MADV_UNMERGEABLE)
52 If KSM is not configured into the running kernel, madvise MADV_MERGEABLE
61 or MADV_UNMERGEABLE region, the madvise may return ENOMEM if the process
64 Like other madvise calls, they are intended for use on mapped areas of
181 indicate poor use of madvise MADV_MERGEABLE.
Duserfaultfd.rst277 enable notifications about madvise(MADV_REMOVE) and
278 madvise(MADV_DONTNEED) calls. The event ``UFFD_EVENT_REMOVE`` will
279 be generated upon these calls to madvise(). The ``uffd_msg.remove``
/Linux-v5.15/tools/testing/selftests/powerpc/tm/
Dtm-signal-context-force-tm.c69 ret = madvise(ucp->uc_link, sizeof(ucontext_t), MADV_DONTNEED); in usr_signal_handler()
138 if (madvise(ss.ss_sp, SIGSTKSZ, MADV_DONTNEED)) { in tm_trap_test()
/Linux-v5.15/arch/um/os-Linux/
Dprocess.c183 err = madvise(addr, length, MADV_REMOVE); in os_drop_memory()
210 if (madvise(addr, UM_KERN_PAGE_SIZE, MADV_REMOVE) != 0) { in can_drop_memory()
/Linux-v5.15/tools/testing/selftests/arm64/mte/
Dcheck_ksm_options.c116 ret = madvise(ptr, TEST_UNIT * page_sz, MADV_MERGEABLE); in check_madvise_options()
/Linux-v5.15/tools/testing/selftests/mincore/
Dmincore_selftest.c119 madvise(addr, page_size, MADV_DONTNEED); in TEST()
/Linux-v5.15/mm/
DMakefile70 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
/Linux-v5.15/tools/testing/selftests/powerpc/signal/
Dsigfuz.c113 madvise(ucp->uc_link, sizeof(ucontext_t), MADV_DONTNEED); in trap_signal_handler()
/Linux-v5.15/kernel/
Dsys_ni.c290 COND_SYSCALL(madvise);
/Linux-v5.15/tools/testing/selftests/net/
Dtcp_mmap.c208 madvise(addr, zc.length, MADV_DONTNEED); in child_thread()
/Linux-v5.15/Documentation/arm64/
Dmemory-tagging-extension.rst54 **Note**: ``madvise()`` memory ranges with ``MADV_DONTNEED`` and
167 memory map attributes with the exception of the ``madvise()`` ranges
Dtagged-address-abi.rst47 management (e.g. ``mprotect()``, ``madvise()``). The use of valid
/Linux-v5.15/tools/vm/
Dpage-types.c1000 if (madvise(ptr, len, MADV_RANDOM)) in walk_file()
1018 if (madvise(ptr, len, MADV_SEQUENTIAL)) in walk_file()
/Linux-v5.15/Documentation/vm/
Dhwpoison.rst113 * madvise(MADV_HWPOISON, ....) (as root) - Poison a page in the
/Linux-v5.15/arch/mips/kernel/syscalls/
Dsyscall_n64.tbl37 27 n64 madvise sys_madvise
/Linux-v5.15/arch/ia64/kernel/syscalls/
Dsyscall.tbl197 185 common madvise sys_madvise

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