[coreboot-gerrit] Patch set updated for coreboot: d63ec43 coreboot: used tiered imd for imd-based cbmem
Aaron Durbin (adurbin@google.com)
gerrit at coreboot.org
Sat Mar 28 07:22:48 CET 2015
Aaron Durbin (adurbin at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8945
-gerrit
commit d63ec4368cd554213433e59e0a8b95cd701b8cba
Author: Aaron Durbin <adurbin at chromium.org>
Date: Tue Mar 24 10:48:03 2015 -0500
coreboot: used tiered imd for imd-based cbmem
The tiered imd support allows for packing small allocations
in a single imd region. This removes internal fragmentation
for small object allocations within cbmem.
Change-Id: I010fdf8997df56d950bee74c97c13d338d18354f
Signed-off-by: Aaron Durbin <adurbin at chromium.org>
---
src/lib/imd_cbmem.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/lib/imd_cbmem.c b/src/lib/imd_cbmem.c
index 2b7156d..e683a35 100644
--- a/src/lib/imd_cbmem.c
+++ b/src/lib/imd_cbmem.c
@@ -31,6 +31,9 @@
/* The root region is at least DYN_CBMEM_ALIGN_SIZE . */
#define ROOT_MIN_SIZE DYN_CBMEM_ALIGN_SIZE
+/* Small allocation parameters. */
+#define SM_ROOT_SIZE 1024
+#define SM_ALIGN 32
static struct imd imd_cbmem CAR_GLOBAL = { };
@@ -59,7 +62,8 @@ void cbmem_initialize_empty(void)
printk(BIOS_DEBUG, "CBMEM: ");
- if (imd_create_empty(imd, DYN_CBMEM_ALIGN_SIZE, DYN_CBMEM_ALIGN_SIZE))
+ if (imd_create_tiered_empty(imd, DYN_CBMEM_ALIGN_SIZE,
+ DYN_CBMEM_ALIGN_SIZE, SM_ROOT_SIZE, SM_ALIGN))
return;
/* Complete migration to CBMEM. */
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