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Fix Memory woopsie

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This commit is contained in:
Charlie Malmqvist 2024-07-30 18:24:20 +02:00
parent 71708cfc77
commit 782d86c38a
1 changed files with 4 additions and 4 deletions
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8
oogabooga/memory.c
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@ -473,18 +473,18 @@ void heap_dealloc(void *p) {
u8* node_tail = (u8*)node + node->size;
if (cast(u8*)new_node == node_tail) {
void *left_node_tail = (u8*)node+node->size;
// We need to account for the cases where we coalesce free blocks with start/end in the middle
// of a page.
// new_node->size will be locked but we need node->size += new_node->size;
u64 new_node_size = new_node->size;
// #Copypaste
void *free_tail = (u8*)new_node + new_node->size;
void *next_page = (void*)align_previous(left_node_tail, os.page_size);
void *next_page = (void*)align_previous(node_tail, os.page_size);
void *last_page_end = (void*)align_previous(free_tail, os.page_size);
if ((u8*)next_page < (u8*)node) next_page = (u8*)next_page + os.page_size;
if ((u8*)last_page_end > (u8*)next_page) {
os_lock_program_memory_pages(next_page, (u64)last_page_end-(u64)next_page);
}