All callers have a folio so we can remove this use of
page_ref_sub_return().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
include/linux/mm.h | 12 ++++++------
mm/gup.c | 6 +++---
mm/memremap.c | 10 +++++-----
mm/swap.c | 2 +-
4 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 070a6e2d7222..19d0ec4f43f4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1437,17 +1437,17 @@ vm_fault_t finish_fault(struct vm_fault *vmf);
#if defined(CONFIG_ZONE_DEVICE) && defined(CONFIG_FS_DAX)
DECLARE_STATIC_KEY_FALSE(devmap_managed_key);
-bool __put_devmap_managed_page_refs(struct page *page, int refs);
-static inline bool put_devmap_managed_page_refs(struct page *page, int refs)
+bool __put_devmap_managed_folio_refs(struct folio *folio, int refs);
+static inline bool put_devmap_managed_folio_refs(struct folio *folio, int refs)
{
if (!static_branch_unlikely(&devmap_managed_key))
return false;
- if (!is_zone_device_page(page))
+ if (!folio_is_zone_device(folio))
return false;
- return __put_devmap_managed_page_refs(page, refs);
+ return __put_devmap_managed_folio_refs(folio, refs);
}
#else /* CONFIG_ZONE_DEVICE && CONFIG_FS_DAX */
-static inline bool put_devmap_managed_page_refs(struct page *page, int refs)
+static inline bool put_devmap_managed_folio_refs(struct folio *folio, int refs)
{
return false;
}
@@ -1571,7 +1571,7 @@ static inline void put_page(struct page *page)
* For some devmap managed pages we need to catch refcount transition
* from 2 to 1:
*/
- if (put_devmap_managed_page_refs(&folio->page, 1))
+ if (put_devmap_managed_folio_refs(folio, 1))
return;
folio_put(folio);
}
diff --git a/mm/gup.c b/mm/gup.c
index b797424f78ef..49376f756936 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -89,7 +89,7 @@ static inline struct folio *try_get_folio(struct page *page, int refs)
* belongs to this folio.
*/
if (unlikely(page_folio(page) != folio)) {
- if (!put_devmap_managed_page_refs(&folio->page, refs))
+ if (!put_devmap_managed_folio_refs(folio, refs))
folio_put_refs(folio, refs);
goto retry;
}
@@ -156,7 +156,7 @@ struct folio *try_grab_folio(struct page *page, int refs, unsigned int flags)
*/
if (unlikely((flags & FOLL_LONGTERM) &&
!folio_is_longterm_pinnable(folio))) {
- if (!put_devmap_managed_page_refs(&folio->page, refs))
+ if (!put_devmap_managed_folio_refs(folio, refs))
folio_put_refs(folio, refs);
return NULL;
}
@@ -198,7 +198,7 @@ static void gup_put_folio(struct folio *folio, int refs, unsigned int flags)
refs *= GUP_PIN_COUNTING_BIAS;
}
- if (!put_devmap_managed_page_refs(&folio->page, refs))
+ if (!put_devmap_managed_folio_refs(folio, refs))
folio_put_refs(folio, refs);
}
diff --git a/mm/memremap.c b/mm/memremap.c
index e1776693e2ea..40d4547ce514 100644
--- a/mm/memremap.c
+++ b/mm/memremap.c
@@ -512,9 +512,9 @@ void zone_device_page_init(struct page *page)
EXPORT_SYMBOL_GPL(zone_device_page_init);
#ifdef CONFIG_FS_DAX
-bool __put_devmap_managed_page_refs(struct page *page, int refs)
+bool __put_devmap_managed_folio_refs(struct folio *folio, int refs)
{
- if (page->pgmap->type != MEMORY_DEVICE_FS_DAX)
+ if (folio->page.pgmap->type != MEMORY_DEVICE_FS_DAX)
return false;
/*
@@ -522,9 +522,9 @@ bool __put_devmap_managed_page_refs(struct page *page, int refs)
* refcount is 1, then the page is free and the refcount is
* stable because nobody holds a reference on the page.
*/
- if (page_ref_sub_return(page, refs) == 1)
- wake_up_var(&page->_refcount);
+ if (folio_ref_sub_return(folio, refs) == 1)
+ wake_up_var(&folio->_refcount);
return true;
}
-EXPORT_SYMBOL(__put_devmap_managed_page_refs);
+EXPORT_SYMBOL(__put_devmap_managed_folio_refs);
#endif /* CONFIG_FS_DAX */
diff --git a/mm/swap.c b/mm/swap.c
index f0d478eee292..f29b3018ba3a 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -981,7 +981,7 @@ void folios_put_refs(struct folio_batch *folios, unsigned int *refs)
unlock_page_lruvec_irqrestore(lruvec, flags);
lruvec = NULL;
}
- if (put_devmap_managed_page_refs(&folio->page, nr_refs))
+ if (put_devmap_managed_folio_refs(folio, nr_refs))
continue;
if (folio_ref_sub_and_test(folio, nr_refs))
free_zone_device_folio(folio);
--
2.43.0
