Searched refs:mem_fd (Results 1 - 4 of 4) sorted by relevance
/linux-master/tools/testing/selftests/mm/ |
H A D | mkdirty.c | 30 static int mem_fd; variable 110 lseek(mem_fd, (uintptr_t) mem, SEEK_SET); 111 ret = write(mem_fd, &data, 1); 140 lseek(mem_fd, (uintptr_t) mem, SEEK_SET); 141 ret = write(mem_fd, &data, 1); 345 mem_fd = open("/proc/self/mem", O_RDWR); 346 if (mem_fd < 0)
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H A D | uffd-common.c | 26 int mem_fd; local 30 mem_fd = memfd_create("uffd-test", memfd_flags); 31 if (mem_fd < 0) 33 if (ftruncate(mem_fd, mem_size)) 35 if (fallocate(mem_fd, 40 return mem_fd; 81 int mem_fd = uffd_mem_fd_create(size * 2, true); local 86 mem_fd, offset); 94 MAP_SHARED, mem_fd, offset); 107 close(mem_fd); 131 int mem_fd = uffd_mem_fd_create(bytes * 2, false); local [all...] |
H A D | mremap_dontunmap.c | 133 int mem_fd = memfd_create("memfd", MFD_CLOEXEC); local 134 BUG_ON(mem_fd < 0, "memfd_create"); 136 BUG_ON(ftruncate(mem_fd, num_pages * page_size) < 0, 141 MAP_FILE | MAP_SHARED, mem_fd, 0); 144 BUG_ON(close(mem_fd) < 0, "close");
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H A D | ksm_functional_tests.c | 40 static int mem_fd; variable 640 lseek(mem_fd, (uintptr_t) map + i, SEEK_SET); 641 if (write(mem_fd, &i, sizeof(i)) != sizeof(i)) { 677 mem_fd = open("/proc/self/mem", O_RDWR); 678 if (mem_fd < 0)
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