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authorDave Jiang <dave.jiang@intel.com>2017-02-23 00:40:03 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-23 01:41:26 +0100
commitd8a849e1bc123790bbbf1facba94452a3aef5736 (patch)
treea336efef8f1f4bb69f3366e45fc5400a2c48573d /mm/memory.c
parentdax: add tracepoints to dax_pmd_insert_mapping() (diff)
downloadlinux-d8a849e1bc123790bbbf1facba94452a3aef5736.tar.xz
linux-d8a849e1bc123790bbbf1facba94452a3aef5736.zip
mm, dax: make pmd_fault() and friends be the same as fault()
Instead of passing in multiple parameters in the pmd_fault() handler, a vmf can be passed in just like a fault() handler. This will simplify code and remove the need for the actual pmd fault handlers to allocate a vmf. Related functions are also modified to do the same. [dave.jiang@intel.com: fix issue with xfs_tests stall when DAX option is off] Link: http://lkml.kernel.org/r/148469861071.195597.3619476895250028518.stgit@djiang5-desk3.ch.intel.com Link: http://lkml.kernel.org/r/1484085142-2297-7-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: 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.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 6bf2b471e30c..2376f8528800 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3475,8 +3475,7 @@ static int create_huge_pmd(struct vm_fault *vmf)
if (vma_is_anonymous(vma))
return do_huge_pmd_anonymous_page(vmf);
if (vma->vm_ops->pmd_fault)
- return vma->vm_ops->pmd_fault(vma, vmf->address, vmf->pmd,
- vmf->flags);
+ return vma->vm_ops->pmd_fault(vma, vmf);
return VM_FAULT_FALLBACK;
}
@@ -3485,8 +3484,7 @@ 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->address,
- vmf->pmd, vmf->flags);
+ return vmf->vma->vm_ops->pmd_fault(vmf->vma, vmf);
/* COW handled on pte level: split pmd */
VM_BUG_ON_VMA(vmf->vma->vm_flags & VM_SHARED, vmf->vma);