Changeset 482f968 in mainline for kernel/generic/src/ddi/ddi.c

Timestamp:

2018-10-31T16:48:51Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

91a8f83, bab75df6

Parents:

37781819

Message:

Make FRAME_HIGHMEM fall back to low memory on failure.

Which is what existing users of it are doing, and there is no reason
not to as far as I can see.

Also make sure calls to frame_alloc all have either FRAME_LOWMEM or
FRAME_HIGHMEM explicitly set, as appropriate.

File:

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

kernel/generic/src/ddi/ddi.c

@@ -385 +385 @@
                 return EINVAL;
 
+        // FIXME: probably need to ensure that the memory is suitable for DMA
         *phys = frame_alloc(frames, FRAME_ATOMIC, constraint);
         if (*phys == 0)