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page cache rewrite

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Matheus
2026-07-28 16:33:55 -03:00
parent ad1740738b
commit 31f9ae17cf
17 changed files with 494 additions and 608 deletions
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kernel-src/lib/trie.c
+7 -20
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@@ -285,13 +285,13 @@ static void trie_recursively_free(trie_node_t *trie_node, uint8_t height) {
slab_free(trie_node_cache, trie_node);
}
static void trie_truncate_internal(trie_node_t *trie_node, uint64_t max_key, uint8_t height) {
uint8_t offset = get_offset(max_key, height);
static void trie_truncate_internal(trie_node_t *trie_node, uint64_t min_key, uint8_t height) {
uint8_t offset = get_offset(min_key, height);
if (height) {
trie_node_t *child_node = trie_node->nodes[offset];
if (child_node) {
trie_truncate_internal(child_node, max_key, height - 1);
trie_truncate_internal(child_node, min_key, height - 1);
if (child_node->count == 0) {
slab_free(trie_node_cache, child_node);
@@ -313,11 +313,8 @@ static void trie_truncate_internal(trie_node_t *trie_node, uint64_t max_key, uin
}
}
void trie_truncate(trie_t *trie, uint64_t max_key) {
if (key_height(max_key) > trie->height)
return;
if (max_key == 0) {
void trie_truncate(trie_t *trie, uint64_t min_key) {
if (min_key == 0) {
if (trie->height)
trie_recursively_free(trie->root, trie->height - 1);
@@ -326,20 +323,10 @@ void trie_truncate(trie_t *trie, uint64_t max_key) {
return;
}
if (max_key == 1) {
void *item;
if (trie_lookup(trie, 0, &item))
item = NULL;
if (trie->height)
trie_recursively_free(trie->root, trie->height - 1);
trie->root_item = item;
trie->height = 0;
if (trie->height == 0 || key_height(min_key) > trie->height)
return;
}
trie_truncate_internal(trie->root, max_key, trie->height - 1);
trie_truncate_internal(trie->root, min_key, trie->height - 1);
trie_trim(trie);
}