pmm: Mark as free BEFORE returning.

Signed-off-by: TunaCici <[email protected]>
TunaCici · Jan 7, 2024 · e21de1e · e21de1e
1 parent 02e6f32
commit e21de1e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/Kernel/Memory/Physical.c b/Kernel/Memory/Physical.c
@@ -279,16 +279,16 @@ void free_pages(void *targetAddr, const uint32_t order)
                 return;
         }
 
+        /* Mark as free */
+        BUDDY_MARK_FREE(buddyPmm[order].map, targetIdx);
+
         /* 2^(MAX_ORDER - 1) block don't coalese */
         if (order == (MAX_ORDER - 1)) {
                 klog("[pmm] 2^(MAX_ORDER - 1) block don't coalese. append\n");
                 __append_to_order(order, targetAddr);
                 return;
         }
 
-        /* Mark as free */
-        BUDDY_MARK_FREE(buddyPmm[order].map, targetIdx);
-
         /* Coalese? */
         for (uint32_t currOrder = order; currOrder < MAX_ORDER - 1; currOrder++) {
                 list_head_t *buddy = __buddy(targetAddr, currOrder);