3 Commits

Author	SHA1	Message	Date
SeongJae Park	2caef83db9	mm/damon/sysfs: rename damon_sysfs_set_targets() to ...add_targets() ... The function was for updating DAMON structs that may or may not be partially populated. Hence it was not for only adding items, but also removing unnecessary items and updating items in-place. A previous commit has changed the function to assume the structs are not partially populated, and do only adding items. Make the function name better explain the behavior. Link: https://lkml.kernel.org/r/20240618181809.82078-7-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>	2024-07-03 19:30:14 -07:00
SeongJae Park	d96727a251	mm/damon/sysfs: remove unnecessary online tuning handling code ... damon/sysfs.c contains code for handling of online DAMON parameters update edge cases. It is no more necessary since damon_commit_ctx() takes care of the cases. Remove the unnecessary code. Link: https://lkml.kernel.org/r/20240618181809.82078-6-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>	2024-07-03 19:30:14 -07:00
SeongJae Park	b8ee5575f7	mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets() ... damon_sysfs_set_targets() had a bug that can result in unexpected memory usage and monitoring overhead increase. The bug has fixed by a previous commit. Add a unit test for avoiding a similar bug of future. Link: https://lkml.kernel.org/r/20231022210735.46409-3-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>	2023-10-25 16:47:15 -07:00