Changeset eb1b8b6 in mainline for arch/sparc64/src/mm/frame.c

Timestamp:

2006-02-08T00:08:55Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

085d973

Parents:

8b3eebb

Message:

Change ia64 kernel image to link and load at 0x100000 where
it (or its heap or stack) won't mess up with the ROM region.

Blacklist ia64 frame 0 from frame allocator so that 0 won't be
returned to malloc and friends. This can be reenabled again
once the kernel is not identity mapped.

File:

• arch/sparc64/src/mm/frame.c (modified) (1 diff)

arch/sparc64/src/mm/frame.c

@@ -34 +34 @@
 {
         /*
-         * Workaround to prevent slab allocator from allocating frame 0,
-         * which is not mapped by OFW.
+         * Workaround to prevent slab allocator from allocating frame 0.
+         * Frame 0 is
+         * a) not mapped by OFW
+         * b) would be confused with NULL error return code
          */
         frame_region_not_free(0, FRAME_SIZE);