diff options
| author |   Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com> | 2016-04-08 15:50:27 -0700 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2016-04-15 18:06:09 +0100 |
| commit | 1a2db300348b799479d2d22b84d51b27ad0458c7 (patch) | |
| tree | c9e3329f00575143dae72e14725b9e48161e34d7 /arch/arm64/include/asm/mmzone.h | |
| parent | arm64: Move unflatten_device_tree() call earlier. (diff) | |
| download | linux-dev-1a2db300348b799479d2d22b84d51b27ad0458c7.tar.xz linux-dev-1a2db300348b799479d2d22b84d51b27ad0458c7.zip | |
arm64, numa: Add NUMA support for arm64 platforms.
Attempt to get the memory and CPU NUMA node via of_numa. If that
fails, default the dummy NUMA node and map all memory and CPUs to node
0.
Tested-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/mmzone.h')
| -rw-r--r-- | arch/arm64/include/asm/mmzone.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/mmzone.h b/arch/arm64/include/asm/mmzone.h new file mode 100644 index 000000000000..a0de9e6ba73f --- /dev/null +++ b/arch/arm64/include/asm/mmzone.h @@ -0,0 +1,12 @@ +#ifndef __ASM_MMZONE_H +#define __ASM_MMZONE_H + +#ifdef CONFIG_NUMA + +#include <asm/numa.h> + +extern struct pglist_data *node_data[]; +#define NODE_DATA(nid) (node_data[(nid)]) + +#endif /* CONFIG_NUMA */ +#endif /* __ASM_MMZONE_H */ |