Changeset c5396c1 in mainline for kernel/arch/amd64/src/proc/task.c

Timestamp:

2013-09-12T10:27:17Z (11 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

6e75f2d

Parents:

4a5f2b0

Message:

abandon the 2nd level bitmap
according to observations it is very rare to have allocation requests for more than 8 frames, therefore the conservative update of the 2nd level bitmap can hardly provide any benefits
the natural blocking of the bitmap (by bytes) should provide a reasonable performance

File:

• kernel/arch/amd64/src/proc/task.c (modified) (1 diff)

kernel/arch/amd64/src/proc/task.c

@@ -46 +46 @@
 {
         task->arch.iomapver = 0;
-        bitmap_initialize(&task->arch.iomap, 0, 0, NULL);
+        bitmap_initialize(&task->arch.iomap, 0, NULL);
 }