tools/testing/selftests/kvm/include/lru_gen_util.h

Source file repositories/reference/linux-study-clean/tools/testing/selftests/kvm/include/lru_gen_util.h

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/kvm/include/lru_gen_util.h
Extension
.h
Size
1457 bytes
Lines
52
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

struct generation_stats {
	int gen;
	long age_ms;
	long nr_anon;
	long nr_file;
};

struct node_stats {
	int node;
	int nr_gens; /* Number of populated gens entries. */
	struct generation_stats gens[MAX_NR_GENS];
};

struct memcg_stats {
	unsigned long memcg_id;
	int nr_nodes; /* Number of populated nodes entries. */
	struct node_stats nodes[MAX_NR_NODES];
};

void lru_gen_read_memcg_stats(struct memcg_stats *stats, const char *memcg);
long lru_gen_sum_memcg_stats(const struct memcg_stats *stats);
long lru_gen_sum_memcg_stats_for_gen(int gen, const struct memcg_stats *stats);
void lru_gen_do_aging(struct memcg_stats *stats, const char *memcg);
int lru_gen_find_generation(const struct memcg_stats *stats,
			    unsigned long total_pages);
bool lru_gen_usable(void);

#endif /* SELFTEST_KVM_LRU_GEN_UTIL_H */

Annotation

Implementation Notes