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

Bläddra i källkod 
->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 <dave.jiang@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dave Jiang
2017-02-24 14:56:41 -08:00
committad av Linus Torvalds
förälder 374ad05ab6
incheckning 11bac80004
87 ändrade filer med 283 tillägg och 290 borttagningar
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6
drivers/hwtracing/intel_th/msu.c
Visa fil

@@ -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;