struct dev_pagemap is always embedded into a containing structure, so
there is no need to an additional private data field.
Signed-off-by: Christoph Hellwig
---
drivers/nvdimm/pmem.c| 2 +-
include/linux/memremap.h | 3 +--
kernel/memremap.c| 2 +-
mm/hmm.c | 9 +
4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 66837eed6375..847d1b2bc10e 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -334,7 +334,7 @@ static void pmem_release_disk(void *__pmem)
put_disk(pmem->disk);
}
-static void pmem_fsdax_page_free(struct page *page, void *data)
+static void pmem_fsdax_page_free(struct page *page)
{
wake_up_var(>_refcount);
}
diff --git a/include/linux/memremap.h b/include/linux/memremap.h
index 03a4099be701..75b80de6394a 100644
--- a/include/linux/memremap.h
+++ b/include/linux/memremap.h
@@ -69,7 +69,7 @@ struct dev_pagemap_ops {
* reach 0 refcount unless there is a refcount bug. This allows the
* device driver to implement its own memory management.)
*/
- void (*page_free)(struct page *page, void *data);
+ void (*page_free)(struct page *page);
/*
* Transition the percpu_ref in struct dev_pagemap to the dead state.
@@ -99,7 +99,6 @@ struct dev_pagemap {
struct resource res;
struct percpu_ref *ref;
struct device *dev;
- void *data;
enum memory_type type;
u64 pci_p2pdma_bus_offset;
const struct dev_pagemap_ops *ops;
diff --git a/kernel/memremap.c b/kernel/memremap.c
index 7167e717647d..5c94ad4f5783 100644
--- a/kernel/memremap.c
+++ b/kernel/memremap.c
@@ -337,7 +337,7 @@ void __put_devmap_managed_page(struct page *page)
mem_cgroup_uncharge(page);
- page->pgmap->ops->page_free(page, page->pgmap->data);
+ page->pgmap->ops->page_free(page);
} else if (!count)
__put_page(page);
}
diff --git a/mm/hmm.c b/mm/hmm.c
index aab799677c7d..ff0f9568922b 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -1332,15 +1332,17 @@ static void hmm_devmem_ref_kill(struct dev_pagemap
*pgmap)
static vm_fault_t hmm_devmem_migrate(struct vm_fault *vmf)
{
- struct hmm_devmem *devmem = vmf->page->pgmap->data;
+ struct hmm_devmem *devmem =
+ container_of(vmf->page->pgmap, struct hmm_devmem, pagemap);
return devmem->ops->fault(devmem, vmf->vma, vmf->address, vmf->page,
vmf->flags, vmf->pmd);
}
-static void hmm_devmem_free(struct page *page, void *data)
+static void hmm_devmem_free(struct page *page)
{
- struct hmm_devmem *devmem = data;
+ struct hmm_devmem *devmem =
+ container_of(page->pgmap, struct hmm_devmem, pagemap);
devmem->ops->free(devmem, page);
}
@@ -1409,7 +1411,6 @@ struct hmm_devmem *hmm_devmem_add(const struct
hmm_devmem_ops *ops,
devmem->pagemap.ops = _pagemap_ops;
devmem->pagemap.altmap_valid = false;
devmem->pagemap.ref = >ref;
- devmem->pagemap.data = devmem;
result = devm_memremap_pages(devmem->device, >pagemap);
if (IS_ERR(result))
--
2.20.1
___
Nouveau mailing list
Nouveau@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/nouveau
