diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2017-02-24 23:56:41 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-25 02:46:54 +0100 |
| commit | 11bac80004499ea59f361ef2a5516c84b6eab675 (patch) | |
| tree | b971df98b3fa9d4e62b8f4f7b5ec950181df4daa /drivers/char/mspec.c | |
| parent | mm, page_alloc: only use per-cpu allocator for irq-safe requests (diff) | |
| download | linux-11bac80004499ea59f361ef2a5516c84b6eab675.tar.xz linux-11bac80004499ea59f361ef2a5516c84b6eab675.zip | |
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 <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>
Diffstat (limited to 'drivers/char/mspec.c')
| -rw-r--r-- | drivers/char/mspec.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index a697ca0cab1e..a9c2fa3c81e5 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c @@ -191,12 +191,12 @@ mspec_close(struct vm_area_struct *vma) * Creates a mspec page and maps it to user space. */ static int -mspec_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +mspec_fault(struct vm_fault *vmf) { unsigned long paddr, maddr; unsigned long pfn; pgoff_t index = vmf->pgoff; - struct vma_data *vdata = vma->vm_private_data; + struct vma_data *vdata = vmf->vma->vm_private_data; maddr = (volatile unsigned long) vdata->maddr[index]; if (maddr == 0) { @@ -227,7 +227,7 @@ mspec_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * be because another thread has installed the pte first, so it * is no problem. */ - vm_insert_pfn(vma, vmf->address, pfn); + vm_insert_pfn(vmf->vma, vmf->address, pfn); return VM_FAULT_NOPAGE; } |