diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-04-08 09:06:12 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-04-08 10:18:47 +0200 |
commit | c1ab9cab75098924fa8226a8a371de66977439df (patch) | |
tree | 767e77302ca8f2eb781c60624bc8518cd50ba6eb /mm/percpu_up.c | |
parent | ff0ff84a0767df48d728c36510365344a7e7d582 (diff) | |
parent | f5284e7635787224dda1a2bf82a4c56b1c75671f (diff) |
Merge branch 'linus' into tracing/core
Conflicts:
include/linux/module.h
kernel/module.c
Semantic conflict:
include/trace/events/module.h
Merge reason: Resolve the conflict with upstream commit 5fbfb18 ("Fix up
possibly racy module refcounting")
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 @@ +/* + * 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); +} |