Changeset 585 for trunk/kernel/mm/ppm.c

Timestamp:

Nov 1, 2018, 12:22:17 PM (6 years ago)

Author:

alain

Message:

Introduce two separate vmm_handle_page_fault() & vmm_handle_cow() functions in vmm.c

File:

• trunk/kernel/mm/ppm.c (modified) (3 diffs)

trunk/kernel/mm/ppm.c

@@ -30 +30 @@
 #include <bits.h>
 #include <page.h>
+#include <dqdt.h>
 #include <busylock.h>
 #include <queuelock.h>
@@ -281 +282 @@
         busylock_release( &ppm->free_lock );
 
+    // update DQDT
+    dqdt_increment_pages( order );
+
 #if DEBUG_PPM_ALLOC_PAGES
 cycle = (uint32_t)hal_get_cycles();
@@ -320 +324 @@
         busylock_release( &ppm->free_lock );
 
+    // update DQDT
+    dqdt_decrement_pages( page->order );
+
 #if DEBUG_PPM_FREE_PAGES
 cycle = (uint32_t)hal_get_cycles();