From 4f8b02b4e5c6896e073bed736136d420bd44b627 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 3 Sep 2010 18:22:47 +0200 Subject: 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 Cc: Nick Piggin Reviewed-by: Chrsitoph Lameter --- include/linux/vmalloc.h | 2 ++ mm/vmalloc.c | 2 ++ 2 files changed, 4 insertions(+) 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) -- cgit v1.2.3