Lines Matching refs:num_pages
48 unsigned long num_pages = 1; in kernel_support_for_mremap_dontunmap() local
49 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap()
56 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in kernel_support_for_mremap_dontunmap()
61 BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
65 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
81 unsigned long num_pages = size / page_size; in check_region_contains_byte() local
85 for (i = 0; i < num_pages; ++i) { in check_region_contains_byte()
100 unsigned long num_pages = 5; in mremap_dontunmap_simple() local
103 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple()
107 memset(source_mapping, 'a', num_pages * page_size); in mremap_dontunmap_simple()
111 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in mremap_dontunmap_simple()
118 (dest_mapping, num_pages * page_size, 'a') != 0, in mremap_dontunmap_simple()
121 (source_mapping, num_pages * page_size, 0) != 0, in mremap_dontunmap_simple()
124 BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple()
126 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple()
133 unsigned long num_pages = 5; in mremap_dontunmap_simple_shmem() local
138 BUG_ON(ftruncate(mem_fd, num_pages * page_size) < 0, in mremap_dontunmap_simple_shmem()
142 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_shmem()
148 memset(source_mapping, 'a', num_pages * page_size); in mremap_dontunmap_simple_shmem()
152 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in mremap_dontunmap_simple_shmem()
156 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple_shmem()
166 (dest_mapping, num_pages * page_size, 'a') != 0, in mremap_dontunmap_simple_shmem()
172 (source_mapping, num_pages * page_size, 'a') != 0, in mremap_dontunmap_simple_shmem()
175 BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple_shmem()
177 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple_shmem()
186 unsigned long num_pages = 5; in mremap_dontunmap_simple_fixed() local
191 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
194 memset(dest_mapping, 'X', num_pages * page_size); in mremap_dontunmap_simple_fixed()
197 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_simple_fixed()
200 memset(source_mapping, 'a', num_pages * page_size); in mremap_dontunmap_simple_fixed()
203 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in mremap_dontunmap_simple_fixed()
213 (dest_mapping, num_pages * page_size, 'a') != 0, in mremap_dontunmap_simple_fixed()
218 (source_mapping, num_pages * page_size, 0) != 0, in mremap_dontunmap_simple_fixed()
221 BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple_fixed()
223 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple_fixed()
245 unsigned long num_pages = 10; in mremap_dontunmap_partial_mapping() local
247 mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE, in mremap_dontunmap_partial_mapping()
250 memset(source_mapping, 'a', num_pages * page_size); in mremap_dontunmap_partial_mapping()
273 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in mremap_dontunmap_partial_mapping()