Changeset 9a68b34d in mainline for generic/src/mm/frame.c

Timestamp:

2006-05-01T19:32:59Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7dd1787

Parents:

16dad032

Message:

PHT Refill handler

File:

• generic/src/mm/frame.c (modified) (5 diffs)

generic/src/mm/frame.c

@@ -435 +435 @@
  *
  * Assume zone is locked
- * Panics, if allocation is impossible.
+ * Panics if allocation is impossible.
+ *
+ * @param zone  Zone to allocate from.
+ * @param order Allocate exactly 2^order frames.
  *
  * @return Frame index in zone
- */
-static pfn_t zone_frame_alloc(zone_t *zone,__u8 order)
+ *
+ */
+static pfn_t zone_frame_alloc(zone_t *zone, __u8 order)
 {
         pfn_t v;
@@ -892 +896 @@
 /** Allocate power-of-two frames of physical memory.
  *
- * @param flags Flags for host zone selection and address processing.
- * @param order Allocate exactly 2^order frames.
- * @param pzone Preferred zone
+ * @param order  Allocate exactly 2^order frames.
+ * @param flags  Flags for host zone selection and address processing.
+ * @param status Allocation status (FRAME_OK on success), unused if NULL.
+ * @param pzone  Preferred zone
  *
  * @return Allocated frame.
- */
-pfn_t frame_alloc_generic(__u8 order, int flags, int * status, int *pzone) 
+ *
+ */
+pfn_t frame_alloc_generic(__u8 order, int flags, int *status, int *pzone) 
 {
         ipl_t ipl;
@@ -907 +913 @@
 loop:
         ipl = interrupts_disable();
+        
         /*
          * First, find suitable frame zone.
          */
-        zone = find_free_zone_lock(order,pzone);
+        zone = find_free_zone_lock(order, pzone);
+        
         /* If no memory, reclaim some slab memory,
            if it does not help, reclaim all */
@@ -916 +924 @@
                 freed = slab_reclaim(0);
                 if (freed)
-                        zone = find_free_zone_lock(order,pzone);
+                        zone = find_free_zone_lock(order, pzone);
                 if (!zone) {
                         freed = slab_reclaim(SLAB_RECLAIM_ALL);
                         if (freed)
-                                zone = find_free_zone_lock(order,pzone);
+                                zone = find_free_zone_lock(order, pzone);
                 }
         }
@@ -942 +950 @@
                 goto loop;
         }
-        v = zone_frame_alloc(zone,order);
+        
+        v = zone_frame_alloc(zone, order);
         v += zone->base;