openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

mm/hmm: remove the legacy hmm_pfn_* APIs 

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

Link: https://lore.kernel.org/r/20190724065258.16603-7-hch@lst.de
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Christoph Hellwig 2019-07-24 08:52:57 +02:00 committed by Jason Gunthorpe
parent 1b88b99bdf
commit f32471e2cf
2 changed files with 1 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/nouveau_dmem.c
View File

@ -845,7 +845,7 @@ 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;

34
include/linux/hmm.h
View File

@ -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.
*