From 7e027b14d53e9729f823ba8652095d1e309aa8e9 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 6 May 2012 13:43:15 -0700 Subject: vm: simplify unmap_vmas() calling convention None of the callers want to pass in 'zap_details', and it doesn't even make sense for the case of actually unmapping vma's. So remove the argument, and clean up the interface. Signed-off-by: Linus Torvalds --- mm/memory.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'mm/memory.c') diff --git a/mm/memory.c b/mm/memory.c index 6105f475fa86..f7b6c9859796 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1340,7 +1340,6 @@ static void unmap_single_vma(struct mmu_gather *tlb, * @start_addr: virtual address at which to start unmapping * @end_addr: virtual address at which to end unmapping * @nr_accounted: Place number of unmapped pages in vm-accountable vma's here - * @details: details of nonlinear truncation or shared cache invalidation * * Unmap all pages in the vma list. * @@ -1355,15 +1354,13 @@ static void unmap_single_vma(struct mmu_gather *tlb, */ void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long start_addr, - unsigned long end_addr, unsigned long *nr_accounted, - struct zap_details *details) + unsigned long end_addr, unsigned long *nr_accounted) { struct mm_struct *mm = vma->vm_mm; mmu_notifier_invalidate_range_start(mm, start_addr, end_addr); for ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next) - unmap_single_vma(tlb, vma, start_addr, end_addr, nr_accounted, - details); + unmap_single_vma(tlb, vma, start_addr, end_addr, nr_accounted, NULL); mmu_notifier_invalidate_range_end(mm, start_addr, end_addr); } @@ -1376,19 +1373,22 @@ void unmap_vmas(struct mmu_gather *tlb, * * Caller must protect the VMA list */ -void zap_page_range(struct vm_area_struct *vma, unsigned long address, +void zap_page_range(struct vm_area_struct *vma, unsigned long start, unsigned long size, struct zap_details *details) { struct mm_struct *mm = vma->vm_mm; struct mmu_gather tlb; - unsigned long end = address + size; + unsigned long end = start + size; unsigned long nr_accounted = 0; lru_add_drain(); tlb_gather_mmu(&tlb, mm, 0); update_hiwater_rss(mm); - unmap_vmas(&tlb, vma, address, end, &nr_accounted, details); - tlb_finish_mmu(&tlb, address, end); + mmu_notifier_invalidate_range_start(mm, start, end); + for ( ; vma && vma->vm_start < end; vma = vma->vm_next) + unmap_single_vma(&tlb, vma, start, end, &nr_accounted, details); + mmu_notifier_invalidate_range_end(mm, start, end); + tlb_finish_mmu(&tlb, start, end); } /** -- cgit v1.2.3-55-g7522