[PATCH 6/6] mm: remove the legacy hmm_pfn_* APIs

Christoph Hellwig
2019-07-03T22:02:29Z

Switch the one remaining user in nouveau over to its replacement,
and remove all the wrappers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
---
drivers/gpu/drm/nouveau/nouveau_dmem.c | 2 +-
include/linux/hmm.h | 34 --------------------------
2 files changed, 1 insertion(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c
index 42c026010938..b9ced2e61667 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -844,7 +844,7 @@ nouveau_dmem_convert_pfn(struct nouveau_drm *drm,
struct page *page;
uint64_t addr;

- page = hmm_pfn_to_page(range, range->pfns[i]);
+ page = hmm_device_entry_to_page(range, range->pfns[i]);
if (page == NULL)
continue;

diff --git a/include/linux/hmm.h b/include/linux/hmm.h
index fa43a9f53833..bf641bbecc7e 100644
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -290,40 +290,6 @@ static inline uint64_t hmm_device_entry_from_pfn(const struct hmm_range *range,
range->flags[HMM_PFN_VALID];
}

-/*
- * Old API:
- * hmm_pfn_to_page()
- * hmm_pfn_to_pfn()
- * hmm_pfn_from_page()
- * hmm_pfn_from_pfn()
- *
- * This are the OLD API please use new API, it is here to avoid cross-tree
- * merge painfullness ie we convert things to new API in stages.
- */
-static inline struct page *hmm_pfn_to_page(const struct hmm_range *range,
- uint64_t pfn)
-{
- return hmm_device_entry_to_page(range, pfn);
-}
-
-static inline unsigned long hmm_pfn_to_pfn(const struct hmm_range *range,
- uint64_t pfn)
-{
- return hmm_device_entry_to_pfn(range, pfn);
-}
-
-static inline uint64_t hmm_pfn_from_page(const struct hmm_range *range,
- struct page *page)
-{
- return hmm_device_entry_from_page(range, page);
-}
-
-static inline uint64_t hmm_pfn_from_pfn(const struct hmm_range *range,
- unsigned long pfn)
-{
- return hmm_device_entry_from_pfn(range, pfn);
-}
-
/*
* Mirroring: how to synchronize device page table with CPU page table.
*
--
2.20.1