VM: make zap_page_range() return void
... since all callers ignore its return value and it's been
useless since commit 97a894136f29802da19a15541de3c019e1ca147e
(mm: Remove i_mmap_lock lockbreak) anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 17b27cd..6c65d24 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -893,7 +893,7 @@
int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
unsigned long size);
-unsigned long zap_page_range(struct vm_area_struct *vma, unsigned long address,
+void zap_page_range(struct vm_area_struct *vma, unsigned long address,
unsigned long size, struct zap_details *);
unsigned long unmap_vmas(struct mmu_gather *tlb,
struct vm_area_struct *start_vma, unsigned long start_addr,