[PATCH 19/25] mm: remove hmm_vma_alloc_locked_page

Christoph Hellwig
2019-06-17T12:28:25Z

The only user of it has just been removed, and there wasn't really any need
to wrap a basic memory allocator to start with.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
include/linux/hmm.h | 3 ---
mm/hmm.c | 14 --------------
2 files changed, 17 deletions(-)

diff --git a/include/linux/hmm.h b/include/linux/hmm.h
index e64824334b85..89571e8d9c63 100644
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -589,9 +589,6 @@ static inline void hmm_mm_init(struct mm_struct *mm) {}
#if IS_ENABLED(CONFIG_DEVICE_PRIVATE) || IS_ENABLED(CONFIG_DEVICE_PUBLIC)
struct hmm_devmem;

-struct page *hmm_vma_alloc_locked_page(struct vm_area_struct *vma,
- unsigned long addr);
-
/*
* struct hmm_devmem_ops - callback for ZONE_DEVICE memory events
*
diff --git a/mm/hmm.c b/mm/hmm.c
index 307c12d7531c..0ef1a1921afb 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -1327,20 +1327,6 @@ EXPORT_SYMBOL(hmm_range_dma_unmap);

#if IS_ENABLED(CONFIG_DEVICE_PRIVATE) || IS_ENABLED(CONFIG_DEVICE_PUBLIC)
-struct page *hmm_vma_alloc_locked_page(struct vm_area_struct *vma,
- unsigned long addr)
-{
- struct page *page;
-
- page = alloc_page_vma(GFP_HIGHUSER, vma, addr);
- if (!page)
- return NULL;
- lock_page(page);
- return page;
-}
-EXPORT_SYMBOL(hmm_vma_alloc_locked_page);
-
-
static void hmm_devmem_ref_release(struct percpu_ref *ref)
{
struct hmm_devmem *devmem;