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Searched refs:madvise (Results 1 – 25 of 51) sorted by relevance

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/Linux-v5.10/tools/testing/selftests/vm/
Dkhugepaged.c488 madvise(p, hpage_pmd_size, MADV_HUGEPAGE); in wait_for_scan()
503 madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE); in wait_for_scan()
526 madvise(p, page_size, MADV_DONTNEED); in alloc_at_fault()
621 if (madvise(p, page_size, MADV_PAGEOUT)) { in collapse_swapin_single_pte()
652 if (madvise(p, (max_ptes_swap + 1) * page_size, MADV_PAGEOUT)) { in collapse_max_ptes_swap()
673 if (madvise(p, max_ptes_swap * page_size, MADV_PAGEOUT)) { in collapse_max_ptes_swap()
702 madvise(p, hpage_pmd_size, MADV_HUGEPAGE); in collapse_single_pte_entry_compound()
708 madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE); in collapse_single_pte_entry_compound()
711 madvise(p + page_size, hpage_pmd_size - page_size, MADV_DONTNEED); in collapse_single_pte_entry_compound()
734 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_benchmark.c121 madvise(p, size, MADV_HUGEPAGE); in main()
123 madvise(p, size, MADV_NOHUGEPAGE); in main()
Dprotection_keys.c745 ret = madvise(ptr, HPAGE_SIZE, MADV_HUGEPAGE); in malloc_pkey_anon_huge()
747 ret = madvise(ptr, HPAGE_SIZE, MADV_WILLNEED); in malloc_pkey_anon_huge()
1402 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in get_pointer_to_instructions()
1428 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in test_executing_on_unreadable_memory()
1455 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in test_implicit_mprotect_exec_only_memory()
Duserfaultfd.c173 if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED)) { in anon_release_pages()
273 if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE)) { in shmem_release_pages()
/Linux-v5.10/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
[all …]
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.rst251 enable notifications about madvise(MADV_REMOVE) and
252 madvise(MADV_DONTNEED) calls. The event ``UFFD_EVENT_REMOVE`` will
253 be generated upon these calls to madvise(). The ``uffd_msg.remove``
/Linux-v5.10/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-v5.10/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-v5.10/tools/testing/selftests/arm64/mte/
Dcheck_ksm_options.c113 ret = madvise(ptr, TEST_UNIT * page_sz, MADV_MERGEABLE); in check_madvise_options()
/Linux-v5.10/mm/
DMakefile66 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
DKconfig418 bool "madvise"
420 Enabling Transparent Hugepage madvise, will only provide a
422 madvise(MADV_HUGEPAGE) but it won't risk to increase the
/Linux-v5.10/tools/testing/selftests/mincore/
Dmincore_selftest.c120 madvise(addr, page_size, MADV_DONTNEED); in TEST()
/Linux-v5.10/tools/testing/selftests/powerpc/signal/
Dsigfuz.c113 madvise(ucp->uc_link, sizeof(ucontext_t), MADV_DONTNEED); in trap_signal_handler()
/Linux-v5.10/kernel/
Dsys_ni.c282 COND_SYSCALL(madvise);
/Linux-v5.10/Documentation/arm64/
Dmemory-tagging-extension.rst54 **Note**: ``madvise()`` memory ranges with ``MADV_DONTNEED`` and
135 memory map attributes with the exception of the ``madvise()`` ranges
Dtagged-address-abi.rst47 management (e.g. ``mprotect()``, ``madvise()``). The use of valid
/Linux-v5.10/tools/testing/selftests/net/
Dtcp_mmap.c208 madvise(addr, zc.length, MADV_DONTNEED); in child_thread()
/Linux-v5.10/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-v5.10/Documentation/vm/
Dhwpoison.rst113 * madvise(MADV_HWPOISON, ....) (as root) - Poison a page in the
/Linux-v5.10/arch/mips/kernel/syscalls/
Dsyscall_n32.tbl37 27 n32 madvise sys_madvise
Dsyscall_n64.tbl37 27 n64 madvise sys_madvise
/Linux-v5.10/drivers/gpu/drm/panfrost/
Dpanfrost_drv.c541 PANFROST_IOCTL(MADVISE, madvise, DRM_RENDER_ALLOW),
/Linux-v5.10/arch/ia64/kernel/syscalls/
Dsyscall.tbl197 185 common madvise sys_madvise

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