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authorDave Jiang <dave.jiang@intel.com>2017-02-25 01:56:41 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-25 04:46:54 +0300
commit11bac80004499ea59f361ef2a5516c84b6eab675 (patch)
treeb971df98b3fa9d4e62b8f4f7b5ec950181df4daa /mm/memory.c
parent374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff)
downloadlinux-11bac80004499ea59f361ef2a5516c84b6eab675.tar.xz
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 'mm/memory.c')
-rw-r--r--mm/memory.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 7663068a33c6..cf97d88158cd 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2035,7 +2035,7 @@ static int do_page_mkwrite(struct vm_fault *vmf)
vmf->flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;
- ret = vmf->vma->vm_ops->page_mkwrite(vmf->vma, vmf);
+ ret = vmf->vma->vm_ops->page_mkwrite(vmf);
/* Restore original flags so that caller is not surprised */
vmf->flags = old_flags;
if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE)))
@@ -2307,7 +2307,7 @@ static int wp_pfn_shared(struct vm_fault *vmf)
pte_unmap_unlock(vmf->pte, vmf->ptl);
vmf->flags |= FAULT_FLAG_MKWRITE;
- ret = vma->vm_ops->pfn_mkwrite(vma, vmf);
+ ret = vma->vm_ops->pfn_mkwrite(vmf);
if (ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE))
return ret;
return finish_mkwrite_fault(vmf);
@@ -2861,7 +2861,7 @@ static int __do_fault(struct vm_fault *vmf)
struct vm_area_struct *vma = vmf->vma;
int ret;
- ret = vma->vm_ops->fault(vma, vmf);
+ ret = vma->vm_ops->fault(vmf);
if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY |
VM_FAULT_DONE_COW)))
return ret;