From 81d7e7e84f2fa4b0931aee0fff92226d8a091d4b Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Mon, 25 Jul 2022 22:15:40 -0300
Subject: [PATCH] pmm_hhdmfree()

we had a pmm_hhdmalloc() but not a pmm_hhdmfree(), so that interface function is now implemented
---
 src/include/kernel/pmm.h | 1 +
 src/sys/mm/pmm.c         | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/src/include/kernel/pmm.h b/src/include/kernel/pmm.h
index a1c04755..9093f4f2 100644
--- a/src/include/kernel/pmm.h
+++ b/src/include/kernel/pmm.h
@@ -6,6 +6,7 @@
 void pmm_init();
 void* pmm_alloc(size_t);
 void* pmm_hhdmalloc(size_t);
+void pmm_hhdmfree(void*, size_t);
 void pmm_free(void*, size_t);
 void pmm_setused(void*, size_t);
 
diff --git a/src/sys/mm/pmm.c b/src/sys/mm/pmm.c
index af050d6d..9b5c6cef 100644
--- a/src/sys/mm/pmm.c
+++ b/src/sys/mm/pmm.c
@@ -137,6 +137,10 @@ void* pmm_alloc(size_t count){
 
 }
 
+void pmm_hhdmfree(void* addr, size_t count){
+	pmm_free(addr - (size_t)limine_hhdm_offset, count);
+}
+
 void* pmm_hhdmalloc(size_t count){
 	void* alloc = pmm_alloc(count);
 	if(!alloc) return NULL;