Changeset 5892ec1 in mainline for kernel/generic/src/mm/backend_anon.c

Timestamp:

2012-11-07T11:01:22Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

c387838

Parents:

9a9c805

Message:

Rename AS_AREA_NORESERVE to AS_AREA_LATE_RESERVE.

This reflects the fact that we still reserve memory for these areas,
but the reservation is done late during the page fault.

File:

• kernel/generic/src/mm/backend_anon.c (modified) (6 diffs)

kernel/generic/src/mm/backend_anon.c

@@ -74 +74 @@
 bool anon_create(as_area_t *area)
 {
-        if (area->flags & AS_AREA_NORESERVE)
+        if (area->flags & AS_AREA_LATE_RESERVE)
                 return true;
 
@@ -82 +82 @@
 bool anon_resize(as_area_t *area, size_t new_pages)
 {
-        if (area->flags & AS_AREA_NORESERVE)
+        if (area->flags & AS_AREA_LATE_RESERVE)
                 return true;
 
@@ -106 +106 @@
         ASSERT(mutex_locked(&area->as->lock));
         ASSERT(mutex_locked(&area->lock));
-        ASSERT(!(area->flags & AS_AREA_NORESERVE));
+        ASSERT(!(area->flags & AS_AREA_LATE_RESERVE));
 
         /*
@@ -146 +146 @@
 void anon_destroy(as_area_t *area)
 {
-        if (area->flags & AS_AREA_NORESERVE)
+        if (area->flags & AS_AREA_LATE_RESERVE)
                 return;
 
@@ -236 +236 @@
                  */
 
-                if (area->flags & AS_AREA_NORESERVE) {
+                if (area->flags & AS_AREA_LATE_RESERVE) {
                         /*
                          * Reserve the memory for this page now.
@@ -274 +274 @@
         ASSERT(mutex_locked(&area->lock));
 
-        if (area->flags & AS_AREA_NORESERVE) {
-                /*
-                 * In case of the NORESERVE areas, physical memory will not be
-                 * unreserved when the area is destroyed so we need to use the
-                 * normal unreserving frame_free().
+        if (area->flags & AS_AREA_LATE_RESERVE) {
+                /*
+                 * In case of the late reserve areas, physical memory will not
+                 * be unreserved when the area is destroyed so we need to use
+                 * the normal unreserving frame_free().
                  */
                 frame_free(frame);