1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Common Primitives for Data Access Monitoring
5 * Author: SeongJae Park <sj@kernel.org>
8 #include <linux/damon.h>
9 #include <linux/random.h>
11 /* Get a random number in [l, r) */
12 #define damon_rand(l, r) (l + prandom_u32_max(r - l))
14 struct page *damon_get_page(unsigned long pfn);
16 void damon_ptep_mkold(pte_t *pte, struct mm_struct *mm, unsigned long addr);
17 void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr);
19 int damon_pageout_score(struct damon_ctx *c, struct damon_region *r,