fs/proc/task_mmu.c

1780 	unsigned long categories = 0;
1785 		categories |= PAGE_IS_PRESENT;
1787 			categories |= PAGE_IS_WRITTEN;
1792 				categories |= PAGE_IS_FILE;
1796 			categories |= PAGE_IS_PFNZERO;
1798 			categories |= PAGE_IS_SOFT_DIRTY;
1802 		categories |= PAGE_IS_SWAPPED;
1804 			categories |= PAGE_IS_WRITTEN;
1810 				categories |= PAGE_IS_FILE;
1813 			categories |= PAGE_IS_SOFT_DIRTY;
1816 	return categories;
1842 	unsigned long categories = PAGE_IS_HUGE;
1847 		categories |= PAGE_IS_PRESENT;
1849 			categories |= PAGE_IS_WRITTEN;
1854 				categories |= PAGE_IS_FILE;
1858 			categories |= PAGE_IS_PFNZERO;
1860 			categories |= PAGE_IS_SOFT_DIRTY;
1864 		categories |= PAGE_IS_SWAPPED;
1866 			categories |= PAGE_IS_WRITTEN;
1868 			categories |= PAGE_IS_SOFT_DIRTY;
1874 				categories |= PAGE_IS_FILE;
1878 	return categories;
1900 	unsigned long categories = PAGE_IS_HUGE;
1908 		categories |= PAGE_IS_PRESENT;
1910 			categories |= PAGE_IS_WRITTEN;
1912 			categories |= PAGE_IS_FILE;
1914 			categories |= PAGE_IS_PFNZERO;
1916 			categories |= PAGE_IS_SOFT_DIRTY;
1918 		categories |= PAGE_IS_SWAPPED;
1920 			categories |= PAGE_IS_WRITTEN;
1922 			categories |= PAGE_IS_SOFT_DIRTY;
1925 	return categories;
1966 static bool pagemap_scan_is_interesting_page(unsigned long categories,
1969 	categories ^= p->arg.category_inverted;
1970 	if ((categories & p->arg.category_mask) != p->arg.category_mask)
1972 	if (p->arg.category_anyof_mask && !(categories & p->arg.category_anyof_mask))
1978 static bool pagemap_scan_is_interesting_vma(unsigned long categories,
1983 	categories ^= p->arg.category_inverted;
1984 	if ((categories & required) != required)
2032 static bool pagemap_scan_push_range(unsigned long categories,
2043 	if (addr == cur_buf->end && categories == cur_buf->categories) {
2057 	cur_buf->categories = categories;
2062 static int pagemap_scan_output(unsigned long categories,
2072 	categories &= p->arg.return_mask;
2083 	if (!pagemap_scan_push_range(categories, p, addr, *end)) {
2102 	unsigned long categories;
2110 	categories = p->cur_vma_category |
2113 	if (!pagemap_scan_is_interesting_page(categories, p))
2116 	ret = pagemap_scan_output(categories, p, start, &end);
2122 	if (~categories & PAGE_IS_WRITTEN)
2215 		unsigned long categories = p->cur_vma_category |
2219 		if (!pagemap_scan_is_interesting_page(categories, p))
2222 		ret = pagemap_scan_output(categories, p, addr, &next);
2228 		if (~categories & PAGE_IS_WRITTEN)
2255 	unsigned long categories;
2264 		categories = p->cur_vma_category | pagemap_hugetlb_category(pte);
2266 		if (!pagemap_scan_is_interesting_page(categories, p))
2269 		return pagemap_scan_output(categories, p, start, &end);
2276 	categories = p->cur_vma_category | pagemap_hugetlb_category(pte);
2278 	if (!pagemap_scan_is_interesting_page(categories, p))
2281 	ret = pagemap_scan_output(categories, p, start, &end);
2285 	if (~categories & PAGE_IS_WRITTEN)