Merge "mm/madvise: use mmap_sem lock from passed mm_struct" (5f4eec37) · Commits · e / devices / android_kernel_fairphone_FP5

mm/madvise.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -298,7 +298,7 @@ static long madvise_willneed(struct vm_area_struct *vma,
		get_file(file);
		offset = (loff_t)(start - vma->vm_start)
		+ ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
		up_read(&current->mm->mmap_sem);
		up_read(&mm->mmap_sem);
		vfs_fadvise(file, offset, end - start, POSIX_FADV_WILLNEED);
		fput(file);
		down_read(&mm->mmap_sem);