generic/lru: 16bit refcounts/length

diff --git a/lib/generic/lru.h b/lib/generic/lru.h
index 572b4f1edf5bc7299c1d7bb03c46d7328a96eef4..94eaa8a6d1047c32cdbbe09142494bc8e780fcf2 100644 (file)
--- a/lib/generic/lru.h
+++ b/lib/generic/lru.h
@@ -71,8 +71,8 @@
 
 #define lru_slot_struct \
        char *key;    /**< Slot key */ \
-       uint32_t len; /**< Slot length */ \
-       uint32_t refs; /**< Slot importance (#writes - #collisions) */ \
+       uint16_t len; /**< Slot length */ \
+       uint16_t refs; /**< Slot importance (#writes - #collisions) */ \
 /** @brief Slot header. */
 struct lru_slot {
        lru_slot_struct
@@ -126,7 +126,7 @@ static inline void *lru_slot_val(struct lru_slot *slot, size_t offset)
 }
 
 /** @internal Slot data getter */
-static inline void *lru_slot_get(struct lru_hash_base *lru, const char *key, uint32_t len, size_t offset)
+static inline void *lru_slot_get(struct lru_hash_base *lru, const char *key, uint16_t len, size_t offset)
 {
        if (!lru || !key || len == 0) {
                return NULL;
@@ -140,7 +140,7 @@ static inline void *lru_slot_get(struct lru_hash_base *lru, const char *key, uin
 }
 
 /** @internal Slot data setter */
-static inline void *lru_slot_set(struct lru_hash_base *lru, const char *key, uint32_t len, size_t offset)
+static inline void *lru_slot_set(struct lru_hash_base *lru, const char *key, uint16_t len, size_t offset)
 {
        if (!lru || !key || len == 0) {
                return NULL;
@@ -148,7 +148,7 @@ static inline void *lru_slot_set(struct lru_hash_base *lru, const char *key, uin
        uint32_t id = hash(key, len) % lru->size;
        struct lru_slot *slot = lru_slot_at(lru, id);
        if (lru_slot_match(slot, key, len)) {
-               slot->refs += 1; /* Increase slot significance */
+               slot->refs = 1; /* Increase slot significance */
        } else {
                if (slot->key) {
                        slot->refs -= 1; /* Decrease slot significance */