Searched refs:mmap_ptr (Results 1 – 1 of 1) sorted by relevance
| /Linux-v5.15/tools/testing/selftests/bpf/prog_tests/ |
| D | ringbuf.c | 91 void *mmap_ptr, *tmp_ptr; in test_ringbuf() local
105 mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0); in test_ringbuf()
106 ASSERT_OK_PTR(mmap_ptr, "rw_cons_pos"); in test_ringbuf()
107 tmp_ptr = mremap(mmap_ptr, page_size, 2 * page_size, MREMAP_MAYMOVE); in test_ringbuf()
110 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect"); in test_ringbuf()
111 ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw"); in test_ringbuf()
114 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, page_size); in test_ringbuf()
116 ASSERT_ERR_PTR(mmap_ptr, "wr_prod_pos"); in test_ringbuf()
120 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in test_ringbuf()
122 ASSERT_ERR_PTR(mmap_ptr, "wr_data_page_one"); in test_ringbuf()
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