diff options
| author | Graf Yang <graf.yang@analog.com> | 2009-01-07 23:14:39 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2009-01-07 23:14:39 +0800 |
| commit | 6b3087c64a92a36ae20d33479b4df6d7afc910d4 (patch) | |
| tree | 95984fc623658ebf150d0d912a7f6c5a0301a5a9 /arch/blackfin/include/asm/percpu.h | |
| parent | c51b4488cd5bff08ed5690a8f303ff7f0894da2a (diff) | |
Blackfin arch: SMP supporting patchset: Blackfin header files and machine common code
Blackfin dual core BF561 processor can support SMP like features.
https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like
In this patch, we provide SMP extend to Blackfin header files
and machine common code
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/percpu.h')
| -rw-r--r-- | arch/blackfin/include/asm/percpu.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/percpu.h b/arch/blackfin/include/asm/percpu.h index 78dd61f6b39..797c0c16506 100644 --- a/arch/blackfin/include/asm/percpu.h +++ b/arch/blackfin/include/asm/percpu.h @@ -3,4 +3,14 @@ #include <asm-generic/percpu.h> -#endif /* __ARCH_BLACKFIN_PERCPU__ */ +#ifdef CONFIG_MODULES +#define PERCPU_MODULE_RESERVE 8192 +#else +#define PERCPU_MODULE_RESERVE 0 +#endif + +#define PERCPU_ENOUGH_ROOM \ + (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \ + PERCPU_MODULE_RESERVE) + +#endif /* __ARCH_BLACKFIN_PERCPU__ */ |