Searched refs:source_mapping (Results 1 – 1 of 1) sorted by relevance
| /Linux-v5.10/tools/testing/selftests/vm/ |
| D | mremap_dontunmap.c | 49 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap() local
51 BUG_ON(source_mapping == MAP_FAILED, "mmap"); in kernel_support_for_mremap_dontunmap()
56 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in kernel_support_for_mremap_dontunmap()
65 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
102 void *source_mapping = in mremap_dontunmap_simple() local
105 BUG_ON(source_mapping == MAP_FAILED, "mmap"); 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()
121 (source_mapping, num_pages * page_size, 0) != 0, in mremap_dontunmap_simple()
126 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in mremap_dontunmap_simple()
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