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Searched refs:mem_fd (Results 1 – 4 of 4) sorted by relevance

/tools/testing/selftests/mm/
Dmkdirty.c30 static int mem_fd; variable
110 lseek(mem_fd, (uintptr_t) mem, SEEK_SET); in test_ptrace_write()
111 ret = write(mem_fd, &data, 1); in test_ptrace_write()
140 lseek(mem_fd, (uintptr_t) mem, SEEK_SET); in test_ptrace_write_thp()
141 ret = write(mem_fd, &data, 1); in test_ptrace_write_thp()
345 mem_fd = open("/proc/self/mem", O_RDWR); in main()
346 if (mem_fd < 0) in main()
Duffd-common.c26 int mem_fd; in uffd_mem_fd_create() local
30 mem_fd = memfd_create("uffd-test", memfd_flags); in uffd_mem_fd_create()
31 if (mem_fd < 0) in uffd_mem_fd_create()
33 if (ftruncate(mem_fd, mem_size)) in uffd_mem_fd_create()
35 if (fallocate(mem_fd, in uffd_mem_fd_create()
40 return mem_fd; in uffd_mem_fd_create()
81 int mem_fd = uffd_mem_fd_create(size * 2, true); in hugetlb_allocate_area() local
86 mem_fd, offset); in hugetlb_allocate_area()
94 MAP_SHARED, mem_fd, offset); in hugetlb_allocate_area()
107 close(mem_fd); in hugetlb_allocate_area()
[all …]
Dmremap_dontunmap.c132 int mem_fd = memfd_create("memfd", MFD_CLOEXEC); in mremap_dontunmap_simple_shmem() local
133 BUG_ON(mem_fd < 0, "memfd_create"); in mremap_dontunmap_simple_shmem()
135 BUG_ON(ftruncate(mem_fd, num_pages * page_size) < 0, in mremap_dontunmap_simple_shmem()
140 MAP_FILE | MAP_SHARED, mem_fd, 0); in mremap_dontunmap_simple_shmem()
143 BUG_ON(close(mem_fd) < 0, "close"); in mremap_dontunmap_simple_shmem()
Dksm_functional_tests.c30 static int mem_fd; variable
518 lseek(mem_fd, (uintptr_t) map + i, SEEK_SET); in test_prot_none()
519 if (write(mem_fd, &i, sizeof(i)) != sizeof(i)) { in test_prot_none()
551 mem_fd = open("/proc/self/mem", O_RDWR); in main()
552 if (mem_fd < 0) in main()