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| author | Tejun Heo <tj@kernel.org> | 2010-09-03 20:22:47 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-09-08 13:10:47 +0400 |
| commit | 4f8b02b4e5c6896e073bed736136d420bd44b627 (patch) | |
| tree | bdc29ec9effaf18681b16594257540d256b4d36f | |
| parent | d56557af19867edb8c0e96f8e26399698a08857f (diff) | |
| download | linux-4f8b02b4e5c6896e073bed736136d420bd44b627.tar.xz | |
vmalloc: pcpu_get/free_vm_areas() aren't needed on UP
These functions are used only by percpu memory allocator on SMP.
Don't build them on UP.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Nick Piggin <npiggin@kernel.dk>
Reviewed-by: Chrsitoph Lameter <cl@linux.com>
| -rw-r--r-- | include/linux/vmalloc.h | 2 | ||||
| -rw-r--r-- | mm/vmalloc.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 01c2145118dc..63a4fe6d51bd 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -117,10 +117,12 @@ extern rwlock_t vmlist_lock; extern struct vm_struct *vmlist; extern __init void vm_area_register_early(struct vm_struct *vm, size_t align); +#ifdef CONFIG_SMP struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets, const size_t *sizes, int nr_vms, size_t align, gfp_t gfp_mask); void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms); +#endif #endif /* _LINUX_VMALLOC_H */ diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 6b8889da69a6..c623e0ce3f00 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2056,6 +2056,7 @@ void free_vm_area(struct vm_struct *area) } EXPORT_SYMBOL_GPL(free_vm_area); +#ifdef CONFIG_SMP static struct vmap_area *node_to_va(struct rb_node *n) { return n ? rb_entry(n, struct vmap_area, rb_node) : NULL; @@ -2336,6 +2337,7 @@ void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) free_vm_area(vms[i]); kfree(vms); } +#endif /* CONFIG_SMP */ #ifdef CONFIG_PROC_FS static void *s_start(struct seq_file *m, loff_t *pos) |