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Per-region operations set-handled DAMOS filters passed memory size information is provided to only DAMON core API users. Further expose it to the user space by adding a new DAMON sysfs interface file under each scheme tried region directory. Link: https://lkml.kernel.org/r/20250106193401.109161-14-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Common Primitives for DAMON Sysfs Interface
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*
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* Author: SeongJae Park <sj@kernel.org>
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*/
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#include <linux/damon.h>
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#include <linux/kobject.h>
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extern struct mutex damon_sysfs_lock;
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struct damon_sysfs_ul_range {
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struct kobject kobj;
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unsigned long min;
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unsigned long max;
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};
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struct damon_sysfs_ul_range *damon_sysfs_ul_range_alloc(
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unsigned long min,
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unsigned long max);
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void damon_sysfs_ul_range_release(struct kobject *kobj);
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extern const struct kobj_type damon_sysfs_ul_range_ktype;
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/*
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* schemes directory
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*/
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struct damon_sysfs_schemes {
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struct kobject kobj;
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struct damon_sysfs_scheme **schemes_arr;
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int nr;
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};
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struct damon_sysfs_schemes *damon_sysfs_schemes_alloc(void);
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void damon_sysfs_schemes_rm_dirs(struct damon_sysfs_schemes *schemes);
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extern const struct kobj_type damon_sysfs_schemes_ktype;
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int damon_sysfs_add_schemes(struct damon_ctx *ctx,
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struct damon_sysfs_schemes *sysfs_schemes);
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void damon_sysfs_schemes_update_stats(
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struct damon_sysfs_schemes *sysfs_schemes,
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struct damon_ctx *ctx);
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void damos_sysfs_populate_region_dir(struct damon_sysfs_schemes *sysfs_schemes,
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struct damon_ctx *ctx, struct damon_target *t,
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struct damon_region *r, struct damos *s,
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bool total_bytes_only, unsigned long sz_filter_passed);
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int damon_sysfs_schemes_clear_regions(
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struct damon_sysfs_schemes *sysfs_schemes);
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int damos_sysfs_set_quota_scores(struct damon_sysfs_schemes *sysfs_schemes,
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struct damon_ctx *ctx);
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void damos_sysfs_update_effective_quotas(
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struct damon_sysfs_schemes *sysfs_schemes,
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struct damon_ctx *ctx);
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