* [PATCH 1/2] powerpc/fsl-booke: Allow use of all CAMs
[not found] <311159b6-bdfd-4c6f-96a5-9147fa5cf682@zimbra>
@ 2013-10-08 15:53 ` Aaron Sierra
0 siblings, 0 replies; only message in thread
From: Aaron Sierra @ 2013-10-08 15:53 UTC (permalink / raw)
To: Kumar Gala; +Cc: LKML
CONFIG_LOWMEM_CAM_NUM was unnecessarily restricted to one fewer than
NUM_TLBCAMS. However, all comparisons to CONFIG_LOWMEM_CAM_NUM are
"less than" tests, so comparing 0-based CAM indexes to the maximum
number of CAMs is safe.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
---
arch/powerpc/mm/fsl_booke_mmu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index 07ba45b..92685d8 100644
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -197,8 +197,8 @@ unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
#ifdef CONFIG_PPC32
-#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)
-#error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS"
+#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM > NUM_TLBCAMS)
+#error "LOWMEM_CAM_NUM must not exceed NUM_TLBCAMS"
#endif
unsigned long __init mmu_mapin_ram(unsigned long top)
--
1.7.9.5
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2013-10-08 16:17 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <311159b6-bdfd-4c6f-96a5-9147fa5cf682@zimbra>
2013-10-08 15:53 ` [PATCH 1/2] powerpc/fsl-booke: Allow use of all CAMs Aaron Sierra
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®