Searched refs:mmap_ptr (Results 1 - 2 of 2) sorted by relevance

/linux-master/tools/testing/selftests/bpf/prog_tests/
H A Dringbuf.c93 void *mmap_ptr, *tmp_ptr; local
110 mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0);
111 ASSERT_OK_PTR(mmap_ptr, "rw_cons_pos");
112 tmp_ptr = mremap(mmap_ptr, page_size, 2 * page_size, MREMAP_MAYMOVE);
115 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect");
116 ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw");
119 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, page_size);
121 ASSERT_ERR_PTR(mmap_ptr, "wr_prod_pos");
125 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size);
127 ASSERT_ERR_PTR(mmap_ptr, "wr_data_page_on
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H A Duser_ringbuf.c102 void *mmap_ptr; local
111 mmap_ptr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rb_fd, 0);
112 ASSERT_OK_PTR(mmap_ptr, "ro_cons_pos");
113 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_WRITE), "write_cons_pos_protect");
114 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect");
115 ASSERT_ERR_PTR(mremap(mmap_ptr, 0, 4 * page_size, MREMAP_MAYMOVE), "wr_prod_pos");
118 ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_ro_cons");
121 mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
123 ASSERT_OK_PTR(mmap_ptr, "rw_prod_pos");
124 ASSERT_ERR(mprotect(mmap_ptr, page_siz
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