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Searched refs:madvise (Results 1 – 25 of 31) sorted by relevance

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/Linux-v4.19/tools/testing/selftests/vm/
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.c72 madvise(p, size, MADV_HUGEPAGE); in main()
74 madvise(p, size, MADV_NOHUGEPAGE); in main()
Duserfaultfd.c122 if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED)) { in anon_release_pages()
213 if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE)) { in shmem_release_pages()
/Linux-v4.19/Documentation/admin-guide/mm/
Dtranshuge.rst79 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
143 madvise
[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.rst199 enable notifications about madvise(MADV_REMOVE) and
200 madvise(MADV_DONTNEED) calls. The event UFFD_EVENT_REMOVE will
201 be generated upon these calls to madvise. The uffd_msg.remove
/Linux-v4.19/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-v4.19/tools/testing/selftests/x86/
Dprotection_keys.c790 ret = madvise(ptr, HPAGE_SIZE, MADV_HUGEPAGE); in malloc_pkey_anon_huge()
792 ret = madvise(ptr, HPAGE_SIZE, MADV_WILLNEED); in malloc_pkey_anon_huge()
1308 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in get_pointer_to_instructions()
1334 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in test_executing_on_unreadable_memory()
1363 madvise(p1, PAGE_SIZE, MADV_DONTNEED); in test_implicit_mprotect_exec_only_memory()
Dmpx-mini-test.c693 madvise(bounds_dir_ptr, size, MADV_NOHUGEPAGE); in process_specific_init()
1541 int ret = madvise((void *)ptr, PAGE_SIZE, MADV_NORMAL); in exhaust_vaddr_space()
/Linux-v4.19/mm/
DMakefile53 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
DKconfig408 bool "madvise"
410 Enabling Transparent Hugepage madvise, will only provide a
412 madvise(MADV_HUGEPAGE) but it won't risk to increase the
Dmadvise.c801 SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior) in SYSCALL_DEFINE3() argument
/Linux-v4.19/kernel/
Dsys_ni.c271 COND_SYSCALL(madvise);
/Linux-v4.19/tools/vm/
Dpage-types.c1010 if (madvise(ptr, len, MADV_RANDOM)) in walk_file()
1028 if (madvise(ptr, len, MADV_SEQUENTIAL)) in walk_file()
/Linux-v4.19/arch/parisc/kernel/
Dsyscall_table.S198 ENTRY_SAME(madvise)
/Linux-v4.19/arch/powerpc/include/asm/
Dsystbl.h213 SYSCALL_SPU(madvise)
/Linux-v4.19/arch/s390/kernel/
Dcompat_wrapper.c119 COMPAT_SYSCALL_WRAP3(madvise, unsigned long, start, size_t, len, int, behavior);
/Linux-v4.19/Documentation/vm/
Dhwpoison.rst113 * madvise(MADV_HWPOISON, ....) (as root) - Poison a page in the
/Linux-v4.19/arch/x86/entry/syscalls/
Dsyscall_64.tbl39 28 common madvise __x64_sys_madvise
Dsyscall_32.tbl233 219 i386 madvise sys_madvise __ia32_sys_madvise
/Linux-v4.19/tools/perf/arch/x86/entry/syscalls/
Dsyscall_64.tbl39 28 common madvise __x64_sys_madvise
/Linux-v4.19/arch/arm/tools/
Dsyscall.tbl237 220 common madvise sys_madvise
/Linux-v4.19/tools/perf/bench/
Dnuma.c388 ret = madvise(buf, bytes, MADV_HUGEPAGE); in alloc_data()
395 ret = madvise(buf, bytes, MADV_NOHUGEPAGE); in alloc_data()
/Linux-v4.19/arch/s390/kernel/syscalls/
Dsyscall.tbl230 219 common madvise sys_madvise compat_sys_madvise
/Linux-v4.19/tools/perf/arch/s390/entry/syscalls/
Dsyscall.tbl230 219 common madvise sys_madvise compat_sys_madvise

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