Changeset 352 for trunk/kernel/mm

Timestamp:

Aug 9, 2017, 10:46:05 AM (7 years ago)

Author:

max@…

Message:

Don't compute kcm_page twice.

File:

• trunk/kernel/mm/kcm.c (modified) (2 diffs)

trunk/kernel/mm/kcm.c

@@ -91 +91 @@
 // It changes the kcm_page status if required.
 /////////////////////////////////////////////////////////////////////////////////////
-// @ kcm   : pointer on kcm allocator.
-// @ ptr   : pointer on block to be released.
-/////////////////////////////////////////////////////////////////////////////////////
-static void kcm_put_block ( kcm_t * kcm,
-                            void  * ptr )
-{
-        kcm_page_t * kcm_page;
+// @ kcm      : pointer on kcm allocator.
+// @ kcm_page : pointer on kcm_page.
+// @ ptr      : pointer on block to be released.
+/////////////////////////////////////////////////////////////////////////////////////
+static void kcm_put_block ( kcm_t      * kcm,
+                            kcm_page_t * kcm_page,
+                            void       * ptr )
+{
         uint32_t     index;
-
-        // compute pointer on kcm_page from block pointer
-        kcm_page = (kcm_page_t*)((intptr_t)ptr & ~CONFIG_PPM_PAGE_MASK);
 
         // compute block index from block pointer
@@ -343 +341 @@
 
         // release block
-        kcm_put_block( kcm , ptr );
+        kcm_put_block( kcm , kcm_page , ptr );
 
         // release lock