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Diffstat (limited to 'mm/damon/paddr.c')
-rw-r--r--mm/damon/paddr.c60
1 files changed, 54 insertions, 6 deletions
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index b40ff5811bb2..dc131c6a5403 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 +233,55 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
return applied * PAGE_SIZE;
}
+static unsigned long damon_pa_mark_accessed(struct damon_region *r)
+{
+ unsigned long addr, applied = 0;
+
+ for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
+ struct page *page = damon_get_page(PHYS_PFN(addr));
+
+ if (!page)
+ continue;
+ mark_page_accessed(page);
+ put_page(page);
+ applied++;
+ }
+ return applied * PAGE_SIZE;
+}
+
+static unsigned long damon_pa_deactivate_pages(struct damon_region *r)
+{
+ unsigned long addr, applied = 0;
+
+ for (addr = r->ar.start; addr < r->ar.end; addr += PAGE_SIZE) {
+ struct page *page = damon_get_page(PHYS_PFN(addr));
+
+ if (!page)
+ continue;
+ deactivate_page(page);
+ put_page(page);
+ applied++;
+ }
+ 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);
+ case DAMOS_LRU_PRIO:
+ return damon_pa_mark_accessed(r);
+ case DAMOS_LRU_DEPRIO:
+ return damon_pa_deactivate_pages(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)
@@ -245,6 +289,10 @@ static int damon_pa_scheme_score(struct damon_ctx *context,
switch (scheme->action) {
case DAMOS_PAGEOUT:
return damon_pageout_score(context, r, scheme);
+ case DAMOS_LRU_PRIO:
+ return damon_hot_score(context, r, scheme);
+ case DAMOS_LRU_DEPRIO:
+ return damon_pageout_score(context, r, scheme);
default:
break;
}