diff options
-rw-r--r-- | include/linux/damon.h | 8 | ||||
-rw-r--r-- | mm/damon/core.c | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h index 7b1f4a488230..d54acec048d6 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -463,9 +463,17 @@ static inline struct damon_region *damon_last_region(struct damon_target *t) return list_last_entry(&t->regions_list, struct damon_region, list); } +static inline struct damon_region *damon_first_region(struct damon_target *t) +{ + return list_first_entry(&t->regions_list, struct damon_region, list); +} + #define damon_for_each_region(r, t) \ list_for_each_entry(r, &t->regions_list, list) +#define damon_for_each_region_from(r, t) \ + list_for_each_entry_from(r, &t->regions_list, list) + #define damon_for_each_region_safe(r, next, t) \ list_for_each_entry_safe(r, next, &t->regions_list, list) diff --git a/mm/damon/core.c b/mm/damon/core.c index 9964b9d00768..5e00c04ceef0 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -195,6 +195,7 @@ int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges, damon_destroy_region(r, t); } + r = damon_first_region(t); /* Add new regions or resize existing regions to fit in the ranges */ for (i = 0; i < nr_ranges; i++) { struct damon_region *first = NULL, *last, *newr; @@ -202,7 +203,7 @@ int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges, range = &ranges[i]; /* Get the first/last regions intersecting with the range */ - damon_for_each_region(r, t) { + damon_for_each_region_from(r, t) { if (damon_intersect(r, range)) { if (!first) first = r; |