Changeset 482f968 in mainline for kernel/arch/arm32/src/ras.c

Timestamp:

2018-10-31T16:48:51Z (6 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/arch/arm32/src/ras.c (modified) (1 diff)

kernel/arch/arm32/src/ras.c

@@ -51 +51 @@
 void ras_init(void)
 {
-        uintptr_t frame =
-            frame_alloc(1, FRAME_ATOMIC | FRAME_HIGHMEM, 0);
-        if (!frame)
-                frame = frame_alloc(1, FRAME_LOWMEM, 0);
+        uintptr_t frame = frame_alloc(1, FRAME_HIGHMEM, 0);
 
         ras_page = (uintptr_t *) km_map(frame, PAGE_SIZE, PAGE_SIZE,