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Diffstat (limited to 'tools/testing/selftests/mm/thp_settings.h')
-rw-r--r--tools/testing/selftests/mm/thp_settings.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/testing/selftests/mm/thp_settings.h b/tools/testing/selftests/mm/thp_settings.h
index 71cbff05f4c7..fc131d23d593 100644
--- a/tools/testing/selftests/mm/thp_settings.h
+++ b/tools/testing/selftests/mm/thp_settings.h
@@ -22,10 +22,11 @@ enum thp_defrag {
};
enum shmem_enabled {
+ SHMEM_NEVER,
SHMEM_ALWAYS,
SHMEM_WITHIN_SIZE,
SHMEM_ADVISE,
- SHMEM_NEVER,
+ SHMEM_INHERIT,
SHMEM_DENY,
SHMEM_FORCE,
};
@@ -46,6 +47,10 @@ struct khugepaged_settings {
unsigned long pages_to_scan;
};
+struct shmem_hugepages_settings {
+ enum shmem_enabled enabled;
+};
+
struct thp_settings {
enum thp_enabled thp_enabled;
enum thp_defrag thp_defrag;
@@ -54,16 +59,17 @@ struct thp_settings {
struct khugepaged_settings khugepaged;
unsigned long read_ahead_kb;
struct hugepages_settings hugepages[NR_ORDERS];
+ struct shmem_hugepages_settings shmem_hugepages[NR_ORDERS];
};
int read_file(const char *path, char *buf, size_t buflen);
int write_file(const char *path, const char *buf, size_t buflen);
-const unsigned long read_num(const char *path);
+unsigned long read_num(const char *path);
void write_num(const char *path, unsigned long num);
int thp_read_string(const char *name, const char * const strings[]);
void thp_write_string(const char *name, const char *val);
-const unsigned long thp_read_num(const char *name);
+unsigned long thp_read_num(const char *name);
void thp_write_num(const char *name, unsigned long num);
void thp_write_settings(struct thp_settings *settings);
@@ -76,5 +82,6 @@ void thp_save_settings(void);
void thp_set_read_ahead_path(char *path);
unsigned long thp_supported_orders(void);
+unsigned long thp_shmem_supported_orders(void);
#endif /* __THP_SETTINGS_H__ */