From ecf1385d72f0491400a8ceca7001196ca369aa8c Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Wed, 22 Feb 2017 15:46:37 -0800 Subject: [PATCH] mm: drop unused argument of zap_page_range() There's no users of zap_page_range() who wants non-NULL 'details'. Let's drop it. Link: http://lkml.kernel.org/r/20170118122429.43661-3-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov Acked-by: Michal Hocko Cc: Tetsuo Handa Cc: Peter Zijlstra Cc: Rik van Riel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/s390/mm/gmap.c | 2 +- arch/x86/mm/mpx.c | 2 +- drivers/android/binder.c | 2 +- drivers/staging/android/ion/ion.c | 3 +-- include/linux/mm.h | 2 +- mm/madvise.c | 2 +- mm/memory.c | 5 ++--- 7 files changed, 8 insertions(+), 10 deletions(-) diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index ec1f0dedb948..59ac93714fa4 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -687,7 +687,7 @@ void gmap_discard(struct gmap *gmap, unsigned long from, unsigned long to) /* Find vma in the parent mm */ vma = find_vma(gmap->mm, vmaddr); size = min(to - gaddr, PMD_SIZE - (gaddr & ~PMD_MASK)); - zap_page_range(vma, vmaddr, size, NULL); + zap_page_range(vma, vmaddr, size); } up_read(&gmap->mm->mmap_sem); } diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index af59f808742f..aad4ac386f98 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -796,7 +796,7 @@ static noinline int zap_bt_entries_mapping(struct mm_struct *mm, return -EINVAL; len = min(vma->vm_end, end) - addr; - zap_page_range(vma, addr, len, NULL); + zap_page_range(vma, addr, len); trace_mpx_unmap_zap(addr, addr+len); vma = vma->vm_next; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 9451b762fa1c..15b263a420e8 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -657,7 +657,7 @@ free_range: page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE]; if (vma) zap_page_range(vma, (uintptr_t)page_addr + - proc->user_buffer_offset, PAGE_SIZE, NULL); + proc->user_buffer_offset, PAGE_SIZE); err_vm_insert_page_failed: unmap_kernel_range((unsigned long)page_addr, PAGE_SIZE); err_map_kernel_failed: diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 937c2d5d7ec3..969600779e44 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -865,8 +865,7 @@ static void ion_buffer_sync_for_device(struct ion_buffer *buffer, list_for_each_entry(vma_list, &buffer->vmas, list) { struct vm_area_struct *vma = vma_list->vma; - zap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start, - NULL); + zap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start); } mutex_unlock(&buffer->lock); } diff --git a/include/linux/mm.h b/include/linux/mm.h index 062936e8b832..574bc157a27c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1185,7 +1185,7 @@ struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size); void zap_page_range(struct vm_area_struct *vma, unsigned long address, - unsigned long size, struct zap_details *); + unsigned long size); void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma, unsigned long start, unsigned long end); diff --git a/mm/madvise.c b/mm/madvise.c index ca75b8a01ba0..7f1490f0d3a6 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -478,7 +478,7 @@ static long madvise_dontneed(struct vm_area_struct *vma, return -EINVAL; madvise_userfault_dontneed(vma, prev, start, end); - zap_page_range(vma, start, end - start, NULL); + zap_page_range(vma, start, end - start); return 0; } diff --git a/mm/memory.c b/mm/memory.c index e9035a0afee2..7663068a33c6 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1370,12 +1370,11 @@ void unmap_vmas(struct mmu_gather *tlb, * @vma: vm_area_struct holding the applicable pages * @start: starting address of pages to zap * @size: number of bytes to zap - * @details: details of shared cache invalidation * * Caller must protect the VMA list */ void zap_page_range(struct vm_area_struct *vma, unsigned long start, - unsigned long size, struct zap_details *details) + unsigned long size) { struct mm_struct *mm = vma->vm_mm; struct mmu_gather tlb; @@ -1386,7 +1385,7 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start, update_hiwater_rss(mm); 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, details); + unmap_single_vma(&tlb, vma, start, end, NULL); mmu_notifier_invalidate_range_end(mm, start, end); tlb_finish_mmu(&tlb, start, end); } -- 2.20.1