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authorDave Jiang <dave.jiang@intel.com>2017-02-24 14:56:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-24 17:46:54 -0800
commit11bac80004499ea59f361ef2a5516c84b6eab675 (patch)
treeb971df98b3fa9d4e62b8f4f7b5ec950181df4daa /fs/ncpfs
parent374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff)
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 'fs/ncpfs')
-rw-r--r--fs/ncpfs/mmap.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 39f57bef8531..0c3905e0542e 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -27,10 +27,9 @@
* XXX: how are we excluding truncate/invalidate here? Maybe need to lock
* page?
*/
-static int ncp_file_mmap_fault(struct vm_area_struct *area,
- struct vm_fault *vmf)
+static int ncp_file_mmap_fault(struct vm_fault *vmf)
{
- struct inode *inode = file_inode(area->vm_file);
+ struct inode *inode = file_inode(vmf->vma->vm_file);
char *pg_addr;
unsigned int already_read;
unsigned int count;
@@ -90,7 +89,7 @@ static int ncp_file_mmap_fault(struct vm_area_struct *area,
* -- nyc
*/
count_vm_event(PGMAJFAULT);
- mem_cgroup_count_vm_event(area->vm_mm, PGMAJFAULT);
+ mem_cgroup_count_vm_event(vmf->vma->vm_mm, PGMAJFAULT);
return VM_FAULT_MAJOR;
}