Commit f7f0d88b authored by SeongJae Park's avatar SeongJae Park Committed by Andrew Morton
Browse files

mm/damon/core: expose damos_filter_for_ops() to DAMON kernel API callers 

damos_filter_for_ops() can be useful to avoid putting wrong type of
filters in wrong place.  Make it be exposed to DAMON kernel API callers.

Link: https://lkml.kernel.org/r/20250305222733.59089-5-sj@kernel.org


Signed-off-by: default avatarSeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 968cbea1

include/linux/damon.h

+1 −0
Original line number Diff line number Diff line
@@ -894,6 +894,7 @@ void damon_update_region_access_rate(struct damon_region *r, bool accessed, 
struct damos_filter *damos_new_filter(enum damos_filter_type type,

		bool matching, bool allow);

void damos_add_filter(struct damos *s, struct damos_filter *f);

bool damos_filter_for_ops(enum damos_filter_type type);

void damos_destroy_filter(struct damos_filter *f);



struct damos_quota_goal *damos_new_quota_goal(

mm/damon/core.c

+8 −1
Original line number Diff line number Diff line
@@ -281,7 +281,14 @@ struct damos_filter *damos_new_filter(enum damos_filter_type type, 
	return filter;

}



static bool damos_filter_for_ops(enum damos_filter_type type)

/**

 * damos_filter_for_ops() - Return if the filter is ops-hndled one.

 * @type:	type of the filter.

 *

 * Return: true if the filter of @type needs to be handled by ops layer, false

 * otherwise.

 */

bool damos_filter_for_ops(enum damos_filter_type type)

{

	switch (type) {

	case DAMOS_FILTER_TYPE_ADDR: