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mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf

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->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.

[[email protected]: fix ARM build]
  Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
Reviewed-by: Ross Zwisler <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Cc: Darrick J. Wong <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Dan Williams <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dave Jiang 2017-02-24 14:56:41 -08:00 • committed by Linus Torvalds
commit 11bac80004
87 changed files with 283 additions and 290 deletions
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6
kernel/events/core.c
View file

@ -4925,9 +4925,9 @@ unlock:
rcu_read_unlock();
}
static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
static int perf_mmap_fault(struct vm_fault *vmf)
{
struct perf_event *event = vma->vm_file->private_data;
struct perf_event *event = vmf->vma->vm_file->private_data;
struct ring_buffer *rb;
int ret = VM_FAULT_SIGBUS;
@ -4950,7 +4950,7 @@ static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
goto unlock;
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;
ret = 0;