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mm/damon: remove damon_callback->private

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The field was added to let users keep their personal data to use inside of
the callbacks.  However, no one is actively using that now.  Remove it.

Link: https://lkml.kernel.org/r/20250306175908.66300-10-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2025-03-06 09:59:04 -08:00 committed by Andrew Morton
parent 52f7c351fc
commit 53058c762a
1 changed files with 1 additions and 5 deletions
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6
include/linux/damon.h
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@ -609,12 +609,10 @@ struct damon_operations {
* @after_aggregation: Called after each aggregation.
* @before_damos_apply: Called before applying DAMOS action.
* @before_terminate: Called before terminating the monitoring.
* @private: User private data.
*
* The monitoring thread (&damon_ctx.kdamond) calls @before_start and
* @before_terminate just before starting and finishing the monitoring,
* respectively. Therefore, those are good places for installing and cleaning
* @private.
* respectively.
*
* The monitoring thread calls @after_wmarks_check after each DAMON-based
* operation schemes' watermarks check. If users need to make changes to the
@ -630,8 +628,6 @@ struct damon_operations {
* If any callback returns non-zero, monitoring stops.
*/
struct damon_callback {
void *private;
int (*before_start)(struct damon_ctx *context);
int (*after_wmarks_check)(struct damon_ctx *context);
int (*after_sampling)(struct damon_ctx *context);