diff options
author | David S. Miller <davem@davemloft.net> | 2010-04-11 17:53:53 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-04-11 17:53:53 -0400 |
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 000000000000..c4351c7f57d2 --- /dev/null +++ b/mm/percpu_up.c | |||
@@ -0,0 +1,30 @@ | |||
1 | /* | ||
2 | * mm/percpu_up.c - dummy percpu memory allocator implementation for UP | ||
3 | */ | ||
4 | |||
5 | #include <linux/module.h> | ||
6 | #include <linux/percpu.h> | ||
7 | #include <linux/slab.h> | ||
8 | |||
9 | void __percpu *__alloc_percpu(size_t size, size_t align) | ||
10 | { | ||
11 | /* | ||
12 | * Can't easily make larger alignment work with kmalloc. WARN | ||
13 | * on it. Larger alignment should only be used for module | ||
14 | * percpu sections on SMP for which this path isn't used. | ||
15 | */ | ||
16 | WARN_ON_ONCE(align > SMP_CACHE_BYTES); | ||
17 | return kzalloc(size, GFP_KERNEL); | ||
18 | } | ||
19 | EXPORT_SYMBOL_GPL(__alloc_percpu); | ||
20 | |||
21 | void free_percpu(void __percpu *p) | ||
22 | { | ||
23 | kfree(p); | ||
24 | } | ||
25 | EXPORT_SYMBOL_GPL(free_percpu); | ||
26 | |||
27 | phys_addr_t per_cpu_ptr_to_phys(void *addr) | ||
28 | { | ||
29 | return __pa(addr); | ||
30 | } | ||