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Commit ecf1385d authored Feb 22, 2017 by Kirill A. Shutemov Committed by Linus Torvalds Feb 22, 2017

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 <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 3e8715fd

arch/s390/mm/gmap.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -687,7 +687,7 @@ void gmap_discard(struct gmap *gmap, unsigned long from, unsigned long to)
	/* Find vma in the parent mm */		/* Find vma in the parent mm */
	vma = find_vma(gmap->mm, vmaddr);		vma = find_vma(gmap->mm, vmaddr);
	size = min(to - gaddr, PMD_SIZE - (gaddr & ~PMD_MASK));		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);		up_read(&gmap->mm->mmap_sem);
	}		}

arch/x86/mm/mpx.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -796,7 +796,7 @@ static noinline int zap_bt_entries_mapping(struct mm_struct *mm,
	return -EINVAL;		return -EINVAL;

	len = min(vma->vm_end, end) - addr;		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);		trace_mpx_unmap_zap(addr, addr+len);

	vma = vma->vm_next;		vma = vma->vm_next;

drivers/android/binder.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -657,7 +657,7 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
	page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE];		page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE];
	if (vma)		if (vma)
	zap_page_range(vma, (uintptr_t)page_addr +		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:		err_vm_insert_page_failed:
	unmap_kernel_range((unsigned long)page_addr, PAGE_SIZE);		unmap_kernel_range((unsigned long)page_addr, PAGE_SIZE);
	err_map_kernel_failed:		err_map_kernel_failed:

drivers/staging/android/ion/ion.c

+1 −2

Original line number	Original line	Diff line number	Diff line
	@@ -865,8 +865,7 @@ static void ion_buffer_sync_for_device(struct ion_buffer *buffer,
	list_for_each_entry(vma_list, &buffer->vmas, list) {		list_for_each_entry(vma_list, &buffer->vmas, list) {
	struct vm_area_struct *vma = vma_list->vma;		struct vm_area_struct *vma = vma_list->vma;

	zap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start,		zap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start);
	NULL);
	}		}
	mutex_unlock(&buffer->lock);		mutex_unlock(&buffer->lock);
	}		}

include/linux/mm.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -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,		int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
	unsigned long size);		unsigned long size);
	void 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 size);
	void unmap_vmas(struct mmu_gather tlb, struct vm_area_struct start_vma,		void unmap_vmas(struct mmu_gather tlb, struct vm_area_struct start_vma,
	unsigned long start, unsigned long end);		unsigned long start, unsigned long end);