This commit moves code for 'DAMOS_PAGEOUT' handling of the physical
address space monitoring operations set to a separate function so that
its caller, 'damon_pa_apply_scheme()', can be more easily extended for
additional DAMOS actions later.
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
mm/damon/paddr.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index b40ff5811bb2..7bcd48066b43 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -204,16 +204,11 @@ static unsigned int damon_pa_check_accesses(struct damon_ctx *ctx)
return max_nr_accesses;
}
-static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
- struct damon_target *t, struct damon_region *r,
- struct damos *scheme)
+static unsigned long damon_pa_pageout(struct damon_region *r)
{
unsigned long addr, applied;
LIST_HEAD(page_list);
- if (scheme->action != DAMOS_PAGEOUT)
- return 0;
-
for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
struct page *page = damon_get_page(PHYS_PFN(addr));
@@ -238,6 +233,19 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
return applied * PAGE_SIZE;
}
+static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
+ struct damon_target *t, struct damon_region *r,
+ struct damos *scheme)
+{
+ switch (scheme->action) {
+ case DAMOS_PAGEOUT:
+ return damon_pa_pageout(r);
+ default:
+ break;
+ }
+ return 0;
+}
+
static int damon_pa_scheme_score(struct damon_ctx *context,
struct damon_target *t, struct damon_region *r,
struct damos *scheme)
--
2.25.1
