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author | SeongJae Park <sj@kernel.org> | 2022-10-26 22:59:39 +0000 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-30 15:01:25 -0800 |
commit | d332fe11debe69fee3de4c2d84fa0b6649678ad2 (patch) | |
tree | 393936911e6c273f31f59527841c2667841ac338 /mm/damon/sysfs.c | |
parent | 39240595917ec0c4f71d7b9dd7909790715968b5 (diff) | |
download | linux-stable-d332fe11debe69fee3de4c2d84fa0b6649678ad2.tar.gz linux-stable-d332fe11debe69fee3de4c2d84fa0b6649678ad2.tar.bz2 linux-stable-d332fe11debe69fee3de4c2d84fa0b6649678ad2.zip |
mm/damon/sysfs: move unsigned long range directory to common module
The implementation of unsigned long type range directories can be reused
by multiple DAMON sysfs directories including those for DAMON-based
Operation Schemes and the range of number of monitoring regions. Move the
code into the files for DAMON sysfs common logics.
Link: https://lkml.kernel.org/r/20221026225943.100429-9-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon/sysfs.c')
-rw-r--r-- | mm/damon/sysfs.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index a847b9159718..6774a669962e 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -12,106 +12,6 @@ #include "sysfs-common.h" /* - * unsigned long range directory - */ - -struct damon_sysfs_ul_range { - struct kobject kobj; - unsigned long min; - unsigned long max; -}; - -static struct damon_sysfs_ul_range *damon_sysfs_ul_range_alloc( - unsigned long min, - unsigned long max) -{ - struct damon_sysfs_ul_range *range = kmalloc(sizeof(*range), - GFP_KERNEL); - - if (!range) - return NULL; - range->kobj = (struct kobject){}; - range->min = min; - range->max = max; - - return range; -} - -static ssize_t min_show(struct kobject *kobj, struct kobj_attribute *attr, - char *buf) -{ - struct damon_sysfs_ul_range *range = container_of(kobj, - struct damon_sysfs_ul_range, kobj); - - return sysfs_emit(buf, "%lu\n", range->min); -} - -static ssize_t min_store(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count) -{ - struct damon_sysfs_ul_range *range = container_of(kobj, - struct damon_sysfs_ul_range, kobj); - unsigned long min; - int err; - - err = kstrtoul(buf, 0, &min); - if (err) - return err; - - range->min = min; - return count; -} - -static ssize_t max_show(struct kobject *kobj, struct kobj_attribute *attr, - char *buf) -{ - struct damon_sysfs_ul_range *range = container_of(kobj, - struct damon_sysfs_ul_range, kobj); - - return sysfs_emit(buf, "%lu\n", range->max); -} - -static ssize_t max_store(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count) -{ - struct damon_sysfs_ul_range *range = container_of(kobj, - struct damon_sysfs_ul_range, kobj); - unsigned long max; - int err; - - err = kstrtoul(buf, 0, &max); - if (err) - return err; - - range->max = max; - return count; -} - -static void damon_sysfs_ul_range_release(struct kobject *kobj) -{ - kfree(container_of(kobj, struct damon_sysfs_ul_range, kobj)); -} - -static struct kobj_attribute damon_sysfs_ul_range_min_attr = - __ATTR_RW_MODE(min, 0600); - -static struct kobj_attribute damon_sysfs_ul_range_max_attr = - __ATTR_RW_MODE(max, 0600); - -static struct attribute *damon_sysfs_ul_range_attrs[] = { - &damon_sysfs_ul_range_min_attr.attr, - &damon_sysfs_ul_range_max_attr.attr, - NULL, -}; -ATTRIBUTE_GROUPS(damon_sysfs_ul_range); - -static struct kobj_type damon_sysfs_ul_range_ktype = { - .release = damon_sysfs_ul_range_release, - .sysfs_ops = &kobj_sysfs_ops, - .default_groups = damon_sysfs_ul_range_groups, -}; - -/* * schemes/stats directory */ |