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authorChristoph Hellwig <hch@lst.de>2019-06-26 15:27:11 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-02 20:32:44 +0300
commit897e6365cda6ba6356e83a3aaa68dec82ef4c548 (patch)
tree91a2776f8a994aa78d9eb1f91fce9debc51b1727 /include/linux/swapops.h
parentf6a55e1a3fe6b3bb294a80a05437fcf86488d819 (diff)
downloadlinux-897e6365cda6ba6356e83a3aaa68dec82ef4c548.tar.xz
memremap: add a migrate_to_ram method to struct dev_pagemap_ops
This replaces the hacky ->fault callback, which is currently directly called from common code through a hmm specific data structure as an exercise in layering violations. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ralph Campbell <rcampbell@nvidia.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Tested-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/linux/swapops.h')
-rw-r--r--include/linux/swapops.h15
1 files changed, 0 insertions, 15 deletions
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 4d961668e5fc..15bdb6fe71e5 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -129,12 +129,6 @@ static inline struct page *device_private_entry_to_page(swp_entry_t entry)
{
return pfn_to_page(swp_offset(entry));
}
-
-vm_fault_t device_private_entry_fault(struct vm_area_struct *vma,
- unsigned long addr,
- swp_entry_t entry,
- unsigned int flags,
- pmd_t *pmdp);
#else /* CONFIG_DEVICE_PRIVATE */
static inline swp_entry_t make_device_private_entry(struct page *page, bool write)
{
@@ -164,15 +158,6 @@ static inline struct page *device_private_entry_to_page(swp_entry_t entry)
{
return NULL;
}
-
-static inline vm_fault_t device_private_entry_fault(struct vm_area_struct *vma,
- unsigned long addr,
- swp_entry_t entry,
- unsigned int flags,
- pmd_t *pmdp)
-{
- return VM_FAULT_SIGBUS;
-}
#endif /* CONFIG_DEVICE_PRIVATE */
#ifdef CONFIG_MIGRATION