[PATCH 20/25] mm: remove hmm_vma_alloc_locked_page

From: Christoph Hellwig
Date: Wed Jun 26 2019 - 08:28:31 EST


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@xxxxxx>
---
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 ba19c19e24ed..1d55b7ea2da6 100644
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -587,9 +587,6 @@ static inline void hmm_mm_init(struct mm_struct *mm) {}
#if IS_ENABLED(CONFIG_DEVICE_PRIVATE)
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 e4470462298f..fdbd48771292 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -1330,20 +1330,6 @@ EXPORT_SYMBOL(hmm_range_dma_unmap);


#if IS_ENABLED(CONFIG_DEVICE_PRIVATE)
-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;
--
2.20.1