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/third_party/python/Lib/test/
H A Dtest_mmap.py16 # Skip test if we can't import mmap.
17 mmap = import_module('mmap') variable
19 PAGESIZE = mmap.PAGESIZE
26 # Python's mmap module dup()s the file descriptor. Emscripten's FS layer
27 # does not materialize file changes through a dupped fd to a new mmap.
29 raise unittest.SkipTest("incompatible with Emscripten's mmap emulation.")
45 # Test mmap module on Unix systems and Windows
47 # Create a file to be mmap'ed.
55 m = mmap
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/kernel/linux/linux-6.6/tools/testing/selftests/riscv/mm/
H A Dmmap_test.h26 * Place all of the hint addresses on the boundaries of mmap in do_mmaps()
41 mmap(NULL, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
43 mmap(on_37_bits, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
45 mmap(on_38_bits, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
47 mmap(on_46_bits, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
49 mmap(on_47_bits, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
51 mmap(on_55_bits, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
53 mmap(on_56_bits, 5 * sizeof(int), prot, flags, 0, 0); in do_mmaps()
62 void *value1 = mmap(NULL, sizeof(int), prot, flags, 0, 0); in memory_layout()
63 void *value2 = mmap(NUL in memory_layout()
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/kernel/linux/linux-5.10/tools/perf/util/
H A Dmmap.c16 #include <perf/mmap.h>
23 #include "mmap.h"
39 size_t mmap__mmap_len(struct mmap *map) in mmap__mmap_len()
71 static int perf_mmap__aio_enabled(struct mmap *map) in perf_mmap__aio_enabled()
77 static int perf_mmap__aio_alloc(struct mmap *map, int idx) in perf_mmap__aio_alloc()
79 map->aio.data[idx] = mmap(NULL, mmap__mmap_len(map), PROT_READ|PROT_WRITE, in perf_mmap__aio_alloc()
89 static void perf_mmap__aio_free(struct mmap *map, int idx) in perf_mmap__aio_free()
97 static int perf_mmap__aio_bind(struct mmap *map, int idx, int cpu, int affinity) in perf_mmap__aio_bind()
126 static int perf_mmap__aio_alloc(struct mmap *map, int idx) in perf_mmap__aio_alloc()
135 static void perf_mmap__aio_free(struct mmap *ma
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H A Dmmap.h4 #include <internal/mmap.h>
28 * struct mmap - perf's ring buffer mmap details
32 struct mmap { struct
54 int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu);
55 void mmap__munmap(struct mmap *map);
57 union perf_event *perf_mmap__read_forward(struct mmap *map);
59 int perf_mmap__push(struct mmap *md, void *to,
60 int push(struct mmap *map, void *to, void *buf, size_t size));
62 size_t mmap__mmap_len(struct mmap *ma
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/kernel/linux/linux-5.10/tools/perf/arch/x86/util/
H A Devent.c22 union perf_event *event = zalloc(sizeof(event->mmap) + in perf_event__synthesize_extra_kmaps()
26 pr_debug("Not enough memory synthesizing mmap event " in perf_event__synthesize_extra_kmaps()
40 size = sizeof(event->mmap) - sizeof(event->mmap.filename) + in perf_event__synthesize_extra_kmaps()
46 event->mmap.header.type = PERF_RECORD_MMAP; in perf_event__synthesize_extra_kmaps()
57 event->mmap.header.size = size; in perf_event__synthesize_extra_kmaps()
59 event->mmap.start = pos->start; in perf_event__synthesize_extra_kmaps()
60 event->mmap.len = pos->end - pos->start; in perf_event__synthesize_extra_kmaps()
61 event->mmap.pgoff = pos->pgoff; in perf_event__synthesize_extra_kmaps()
62 event->mmap in perf_event__synthesize_extra_kmaps()
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/kernel/linux/linux-6.6/tools/perf/util/
H A Dmmap.h4 #include <internal/mmap.h>
25 * struct mmap - perf's ring buffer mmap details
29 struct mmap { struct
53 int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, struct perf_cpu cpu);
54 void mmap__munmap(struct mmap *map);
56 union perf_event *perf_mmap__read_forward(struct mmap *map);
58 int perf_mmap__push(struct mmap *md, void *to,
59 int push(struct mmap *map, void *to, void *buf, size_t size));
61 size_t mmap__mmap_len(struct mmap *ma
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H A Dmmap.c16 #include <perf/mmap.h>
23 #include "mmap.h"
39 size_t mmap__mmap_len(struct mmap *map) in mmap__mmap_len()
71 static int perf_mmap__aio_enabled(struct mmap *map) in perf_mmap__aio_enabled()
77 static int perf_mmap__aio_alloc(struct mmap *map, int idx) in perf_mmap__aio_alloc()
79 map->aio.data[idx] = mmap(NULL, mmap__mmap_len(map), PROT_READ|PROT_WRITE, in perf_mmap__aio_alloc()
89 static void perf_mmap__aio_free(struct mmap *map, int idx) in perf_mmap__aio_free()
97 static int perf_mmap__aio_bind(struct mmap *map, int idx, struct perf_cpu cpu, int affinity) in perf_mmap__aio_bind()
126 static int perf_mmap__aio_alloc(struct mmap *map, int idx) in perf_mmap__aio_alloc()
135 static void perf_mmap__aio_free(struct mmap *ma
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/kernel/linux/linux-6.6/drivers/leds/blink/
H A Dleds-lgm-sso.c133 struct regmap *mmap; member
222 regmap_update_bits(priv->mmap, reg, GENMASK(high, low), val); in sso_led_freq_set()
229 regmap_update_bits(priv->mmap, reg, GENMASK(high, low), val); in sso_led_freq_set()
245 regmap_write(priv->mmap, DUTY_CYCLE(desc->pin), brightness); in sso_led_brightness_set()
255 regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), 0); in sso_led_brightness_set()
258 regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), in sso_led_brightness_set()
316 regmap_update_bits(priv->mmap, SSO_CON2, BIT(led->desc.pin), in sso_led_blink_set()
332 regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), in sso_led_hw_cfg()
337 regmap_update_bits(priv->mmap, SSO_CON3, BIT(desc->pin), in sso_led_hw_cfg()
341 regmap_write(priv->mmap, DUTY_CYCL in sso_led_hw_cfg()
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/kernel/linux/linux-6.6/tools/perf/arch/x86/util/
H A Devent.c24 union perf_event *event = zalloc(sizeof(event->mmap) + in perf_event__synthesize_extra_kmaps()
28 pr_debug("Not enough memory synthesizing mmap event " in perf_event__synthesize_extra_kmaps()
43 size = sizeof(event->mmap) - sizeof(event->mmap.filename) + in perf_event__synthesize_extra_kmaps()
49 event->mmap.header.type = PERF_RECORD_MMAP; in perf_event__synthesize_extra_kmaps()
60 event->mmap.header.size = size; in perf_event__synthesize_extra_kmaps()
62 event->mmap.start = map__start(map); in perf_event__synthesize_extra_kmaps()
63 event->mmap.len = map__size(map); in perf_event__synthesize_extra_kmaps()
64 event->mmap.pgoff = map__pgoff(map); in perf_event__synthesize_extra_kmaps()
65 event->mmap in perf_event__synthesize_extra_kmaps()
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/third_party/ltp/testcases/kernel/device-drivers/agp/kernel_space/
H A Dstr_agp.h153 #define OUTREG64(mmap, addr, val) __raw_writeq((val), (mmap)+(addr))
154 #define OUTREG32(mmap, addr, val) __raw_writel((val), (mmap)+(addr))
155 #define OUTREG16(mmap, addr, val) __raw_writew((val), (mmap)+(addr))
156 #define OUTREG8(mmap, addr, val) __raw_writeb((val), (mmap)+(addr))
158 #define INREG64(mmap, addr) __raw_readq((mmap)
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/kernel/linux/linux-5.10/tools/testing/selftests/vm/
H A Dmap_fixed_noreplace.c34 addr = mmap(NULL, size, PROT_NONE, flags, -1, 0); in find_base_addr()
69 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
71 printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p); in main()
90 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
91 printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p); in main()
95 printf("Error: first mmap() failed unexpectedly\n"); in main()
110 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
111 printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p); in main()
115 printf("Error:1: mmap() succeeded when it shouldn't have\n"); in main()
131 p = mmap((voi in main()
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H A Dmremap_dontunmap.c49 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap()
51 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in kernel_support_for_mremap_dontunmap()
103 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple()
105 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple()
140 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
142 BUG_ON(dest_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple_fixed()
146 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
148 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple_fixed()
196 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_partial_mapping()
198 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_partial_mapping()
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/kernel/linux/linux-6.6/tools/testing/selftests/mm/
H A Dmap_fixed_noreplace.c30 addr = mmap(NULL, size, PROT_NONE, flags, -1, 0); in find_base_addr()
65 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
67 printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p); in main()
86 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
87 printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p); in main()
91 printf("Error: first mmap() failed unexpectedly\n"); in main()
106 p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0); in main()
107 printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p); in main()
111 printf("Error:1: mmap() succeeded when it shouldn't have\n"); in main()
127 p = mmap((voi in main()
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H A Dmremap_dontunmap.c46 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap()
48 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in kernel_support_for_mremap_dontunmap()
100 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple()
102 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple()
139 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_shmem()
141 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple_shmem()
188 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
190 BUG_ON(dest_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple_fixed()
194 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
196 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in mremap_dontunmap_simple_fixed()
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/third_party/rust/crates/rustix/src/mm/
H A Dmod.rs5 mod mmap; modules
12 pub use mmap::{
13 mlock, mmap, mmap_anonymous, mprotect, munlock, munmap, MapFlags, MprotectFlags, ProtFlags,
16 pub use mmap::{mlock_with, MlockFlags};
18 pub use mmap::{mremap, mremap_fixed, MremapFlags};
/kernel/linux/linux-5.10/tools/testing/selftests/bpf/prog_tests/
H A Dmmap.c41 tmp1 = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0); in test_mmap()
46 /* now double-check if it's mmap()'able at all */ in test_mmap()
47 tmp1 = mmap(NULL, 4096, PROT_READ, MAP_SHARED, rdmap_fd, 0); in test_mmap()
58 /* mmap BSS map */ in test_mmap()
59 bss_mmaped = mmap(NULL, bss_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
62 ".bss mmap failed: %d\n", errno)) { in test_mmap()
67 map_mmaped = mmap(NULL, map_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
70 "data_map mmap failed: %d\n", errno)) { in test_mmap()
115 /* data_map freeze should fail due to R/W mmap() */ in test_mmap()
132 map_mmaped = mmap(NUL in test_mmap()
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/kernel/linux/linux-6.6/tools/testing/selftests/bpf/prog_tests/
H A Dmmap.c55 tmp1 = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0); in test_mmap()
60 /* now double-check if it's mmap()'able at all */ in test_mmap()
61 tmp1 = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rdmap_fd, 0); in test_mmap()
72 /* mmap BSS map */ in test_mmap()
73 bss_mmaped = mmap(NULL, bss_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
76 ".bss mmap failed: %d\n", errno)) { in test_mmap()
81 map_mmaped = mmap(NULL, map_sz, PROT_READ | PROT_WRITE, MAP_SHARED, in test_mmap()
84 "data_map mmap failed: %d\n", errno)) { in test_mmap()
129 /* data_map freeze should fail due to R/W mmap() */ in test_mmap()
146 map_mmaped = mmap(NUL in test_mmap()
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/kernel/liteos_a/testsuites/unittest/basic/mem/vm/smoke/
H A Dmmap_test_008.cpp50 mem = mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flags | MAP_FIXED, -1, 0); in Testcase()
53 memFix = mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flags | MAP_FIXED, -1, 0); in Testcase()
57 memNoFix = mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flags | MAP_FIXED_NOREPLACE, -1, 0); in Testcase()
60 memNoFix = mmap((void *)(fixAddr - MAP_OFFSET), len, PROT_READ | PROT_WRITE, flags | MAP_FIXED_NOREPLACE, -1, 0); in Testcase()
63 memNoFix = mmap((void *)(fixAddr + MAP_OFFSET), len, PROT_READ | PROT_WRITE, flags | MAP_FIXED_NOREPLACE, -1, 0); in Testcase()
66 memNoFix = mmap((void *)(fixAddr - MAP_OFFSET), len + MAP_OFFSET, PROT_READ | PROT_WRITE, in Testcase()
H A Dmmap_test_006.cpp53 mem = mmap(invalueAddr, len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, 0); in Testcase()
57 mem = mmap((void *)INVALID_VADDR, len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, 0); in Testcase()
61 mem = mmap((void *)INVALID_VADDR, len, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0); in Testcase()
67 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in Testcase()
72 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, INVALID_FD); in Testcase()
77 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in Testcase()
83 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, flags[i], fd, 0); in Testcase()
/kernel/liteos_a/testsuites/unittest/extended/liteipc/smoke/
H A Dliteipc_test_001.cpp63 /* testing mmap liteipc mem pool with different size and flag */ in LiteIpcTest()
64 retptr = mmap(nullptr, 1024 * 4096, PROT_READ, MAP_PRIVATE, fd, 0); in LiteIpcTest()
66 retptr = mmap(nullptr, -1, PROT_READ, MAP_PRIVATE, fd, 0); in LiteIpcTest()
68 retptr = mmap(nullptr, 4096, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); in LiteIpcTest()
70 retptr = mmap(nullptr, 4096, PROT_READ, MAP_SHARED, fd, 0); // 4096: length of mapped memory in LiteIpcTest()
73 retptr = mmap(nullptr, 1, PROT_READ, MAP_PRIVATE, fd, 0); in LiteIpcTest()
75 retptr = mmap(nullptr, 4095, PROT_READ, MAP_PRIVATE, fd, 0); in LiteIpcTest()
121 retptr = mmap(nullptr, 16 * 4096, PROT_READ, MAP_PRIVATE, fd, 0); in TestCase()
/third_party/ltp/testcases/kernel/mem/hugetlb/hugemmap/
H A Dhugemmap18.c10 * Just as normal mmap()s can't have an address, length or offset which
11 * is not page aligned, so hugepage mmap()s can't have an address, length
14 * However, from time to time when the various mmap() /
20 * However starting with 3.10-rc1, length passed in mmap() doesn't need
46 p = mmap(NULL, hpage_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0); in run_test()
48 tst_res(TFAIL|TERRNO, "mmap() without hint failed"); in run_test()
52 tst_res(TFAIL, "mmap() without hint at misaligned address"); in run_test()
61 q = mmap(p + page_size, hpage_size, PROT_READ|PROT_WRITE, in run_test()
65 tst_res(TFAIL|TERRNO, "mmap() with hint failed"); in run_test()
69 tst_res(TFAIL, "mmap() wit in run_test()
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/kernel/linux/linux-5.10/arch/um/kernel/
H A Dtlb.c27 } mmap; member
73 ret = map(&hvc->mm->context.id, op->u.mmap.addr, in do_ops()
74 op->u.mmap.len, op->u.mmap.prot, in do_ops()
75 op->u.mmap.fd, in do_ops()
76 op->u.mmap.offset, finished, in do_ops()
79 map_memory(op->u.mmap.addr, op->u.mmap.offset, in do_ops()
80 op->u.mmap.len, 1, 1, 1); in do_ops()
138 (last->u.mmap in add_mmap()
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/third_party/ltp/testcases/kernel/controllers/cpuset/cpuset_memory_test/
H A Dcpuset_memory_testset.sh73 cpuset_memory_test --mmap-anon >"$MEMORY_RESULT" &
90 cpuset_memory_test --mmap-file >"$MEMORY_RESULT" &
124 cpuset_memory_test --mmap-lock1 >"$MEMORY_RESULT" &
141 cpuset_memory_test --mmap-lock2 >"$MEMORY_RESULT" &
184 cpuset_memory_test --mmap-file --hugepage -s $HUGEPAGESIZE >"$MEMORY_RESULT" &
250 cpuset_memory_test --mmap-anon >"$MEMORY_RESULT" &
267 cpuset_memory_test --mmap-anon >"$MEMORY_RESULT" &
310 cpuset_memory_test --mmap-anon --check >"$MEMORY_RESULT" &
355 cpuset_memory_test --mmap-anon --check >"$MEMORY_RESULT" &
407 cpuset_memory_test --mmap
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/third_party/musl/libc-test/src/functionalext/supplement/mman/mman_gtest/
H A Dmman_mmap_test.cpp22 g_path = "mmap.txt"; in CreateFileAndWrite()
41 * @tc.desc: This test verifies whether anonymous mapping can be successfully created using the mmap function and checks
48 void* mapping = mmap(nullptr, SIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); in HWTEST_F()
56 * @tc.desc: This test verifies that when using the mmap function, when the file size is 0, the returned mapping address
63 int fd = open("mmap.txt", O_RDWR | O_CREAT, 0777); in HWTEST_F()
64 void* mmapping = mmap(nullptr, 0, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in HWTEST_F()
72 * mmap function will return MAP_FAILED.
78 int fd = open("mmap.txt", O_RDWR | O_CREAT, 0777); in HWTEST_F()
79 void* mmapping = mmap(nullptr, static_cast<size_t>(PTRDIFF_MAX) + 1, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in HWTEST_F()
87 * using the mmap functio
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/kernel/linux/linux-6.6/arch/um/kernel/
H A Dtlb.c27 } mmap; member
73 ret = map(&hvc->mm->context.id, op->u.mmap.addr, in do_ops()
74 op->u.mmap.len, op->u.mmap.prot, in do_ops()
75 op->u.mmap.fd, in do_ops()
76 op->u.mmap.offset, finished, in do_ops()
79 map_memory(op->u.mmap.addr, op->u.mmap.offset, in do_ops()
80 op->u.mmap.len, 1, 1, 1); in do_ops()
135 (last->u.mmap in add_mmap()
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