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authorDave Jiang <dave.jiang@intel.com>2017-02-22 15:40:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 16:41:26 -0800
commitf42003917b4569a2f4f0c79c35e1e3df2859f81a (patch)
tree93532f9f8deee9a6ad2f309e2edde57400a2e774 /mm/memory.c
parentd8a849e1bc123790bbbf1facba94452a3aef5736 (diff)
downloadlinux-f42003917b4569a2f4f0c79c35e1e3df2859f81a.tar.bz2
mm, dax: change pmd_fault() to take only vmf parameter
pmd_fault() and related functions really only need the vmf parameter since the additional parameters are all included in the vmf struct. Remove the additional parameter and simplify pmd_fault() and friends. Link: http://lkml.kernel.org/r/1484085142-2297-8-git-send-email-ross.zwisler@linux.intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Dave Chinner <david@fromorbit.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Steven Rostedt <rostedt@goodmis.org> 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.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 2376f8528800..ececdc4a2892 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3471,11 +3471,10 @@ out:
static int create_huge_pmd(struct vm_fault *vmf)
{
- struct vm_area_struct *vma = vmf->vma;
- if (vma_is_anonymous(vma))
+ if (vma_is_anonymous(vmf->vma))
return do_huge_pmd_anonymous_page(vmf);
- if (vma->vm_ops->pmd_fault)
- return vma->vm_ops->pmd_fault(vma, vmf);
+ if (vmf->vma->vm_ops->pmd_fault)
+ return vmf->vma->vm_ops->pmd_fault(vmf);
return VM_FAULT_FALLBACK;
}
@@ -3484,7 +3483,7 @@ static int wp_huge_pmd(struct vm_fault *vmf, pmd_t orig_pmd)
if (vma_is_anonymous(vmf->vma))
return do_huge_pmd_wp_page(vmf, orig_pmd);
if (vmf->vma->vm_ops->pmd_fault)
- return vmf->vma->vm_ops->pmd_fault(vmf->vma, vmf);
+ return vmf->vma->vm_ops->pmd_fault(vmf);
/* COW handled on pte level: split pmd */
VM_BUG_ON_VMA(vmf->vma->vm_flags & VM_SHARED, vmf->vma);