Changeset f72906c in mainline for kernel/generic/src/ddi/ddi.c

Timestamp:

2013-09-12T18:09:51Z (12 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

69f5f19

Parents:

b11f6fb

Message:

prefer allocating physical frames from the so called low priority memory (< 16 MB on ia32 and amd64)
this saves the high priority memory for legacy DMA transfers, etc.

File:

• kernel/generic/src/ddi/ddi.c (modified) (1 diff)

kernel/generic/src/ddi/ddi.c

@@ -329 +329 @@
         
         size_t frames = SIZE2FRAMES(size);
-        *phys = frame_alloc_noreserve(frames, 0, constraint);
+        *phys = frame_alloc(frames, FRAME_NO_RESERVE, constraint);
         if (*phys == 0)
                 return ENOMEM;