diff options
author | David S. Miller <davem@davemloft.net> | 2010-04-11 14:53:53 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2010-04-11 14:53:53 -0700 |
commit | 871039f02f8ec4ab2e5e9010718caa8e085786f1 (patch) | |
tree | f0d2b3127fc48c862967d68c46c2d46668137515 /mm/percpu_up.c | |
parent | e4077e018b5ead3de9951fc01d8bf12eeeeeefed (diff) | |
parent | 4a1032faac94ebbf647460ae3e06fc21146eb280 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/stmmac/stmmac_main.c
drivers/net/wireless/wl12xx/wl1271_cmd.c
drivers/net/wireless/wl12xx/wl1271_main.c
drivers/net/wireless/wl12xx/wl1271_spi.c
net/core/ethtool.c
net/mac80211/scan.c
Diffstat (limited to 'mm/percpu_up.c')
-rw-r--r-- | mm/percpu_up.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mm/percpu_up.c b/mm/percpu_up.c new file mode 100644 index 00000000000..c4351c7f57d --- /dev/null +++ b/mm/percpu_up.c @@ -0,0 +1,30 @@ +/* + * mm/percpu_up.c - dummy percpu memory allocator implementation for UP + */ + +#include <linux/module.h> +#include <linux/percpu.h> +#include <linux/slab.h> + +void __percpu *__alloc_percpu(size_t size, size_t align) +{ + /* + * Can't easily make larger alignment work with kmalloc. WARN + * on it. Larger alignment should only be used for module + * percpu sections on SMP for which this path isn't used. + */ + WARN_ON_ONCE(align > SMP_CACHE_BYTES); + return kzalloc(size, GFP_KERNEL); +} +EXPORT_SYMBOL_GPL(__alloc_percpu); + +void free_percpu(void __percpu *p) +{ + kfree(p); +} +EXPORT_SYMBOL_GPL(free_percpu); + +phys_addr_t per_cpu_ptr_to_phys(void *addr) +{ + return __pa(addr); +} |