From 11bac80004499ea59f361ef2a5516c84b6eab675 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Fri, 24 Feb 2017 14:56:41 -0800 Subject: mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf ->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to take a vma and vmf parameter when the vma already resides in vmf. Remove the vma parameter to simplify things. [arnd@arndb.de: fix ARM build] Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dave Jiang Signed-off-by: Arnd Bergmann Reviewed-by: Ross Zwisler Cc: Theodore Ts'o Cc: Darrick J. Wong Cc: Matthew Wilcox Cc: Dave Hansen Cc: Christoph Hellwig Cc: Jan Kara Cc: Dan Williams Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwtracing/intel_th/msu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/hwtracing/intel_th') diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index e8d55a153a65..e88afe1a435c 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -1188,9 +1188,9 @@ static void msc_mmap_close(struct vm_area_struct *vma) mutex_unlock(&msc->buf_mutex); } -static int msc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int msc_mmap_fault(struct vm_fault *vmf) { - struct msc_iter *iter = vma->vm_file->private_data; + struct msc_iter *iter = vmf->vma->vm_file->private_data; struct msc *msc = iter->msc; vmf->page = msc_buffer_get_page(msc, vmf->pgoff); @@ -1198,7 +1198,7 @@ static int msc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return VM_FAULT_SIGBUS; get_page(vmf->page); - vmf->page->mapping = vma->vm_file->f_mapping; + vmf->page->mapping = vmf->vma->vm_file->f_mapping; vmf->page->index = vmf->pgoff; return 0; -- cgit v1.2.3-59-g8ed1b