diff options
Diffstat (limited to 'mm/damon')
| -rw-r--r-- | mm/damon/core.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c index e92497895202..04b8df7fd9e9 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -750,8 +750,6 @@ static void damon_merge_two_regions(struct damon_target *t, damon_destroy_region(r, t); } -#define diff_of(a, b) (a > b ? a - b : b - a) - /* * Merge adjacent regions having similar access frequencies * @@ -765,13 +763,13 @@ static void damon_merge_regions_of(struct damon_target *t, unsigned int thres, struct damon_region *r, *prev = NULL, *next; damon_for_each_region_safe(r, next, t) { - if (diff_of(r->nr_accesses, r->last_nr_accesses) > thres) + if (abs(r->nr_accesses - r->last_nr_accesses) > thres) r->age = 0; else r->age++; if (prev && prev->ar.end == r->ar.start && - diff_of(prev->nr_accesses, r->nr_accesses) <= thres && + abs(prev->nr_accesses - r->nr_accesses) <= thres && sz_damon_region(prev) + sz_damon_region(r) <= sz_limit) damon_merge_two_regions(t, prev, r); else |