linux-kernel - [PATCH v2] mm: cleanup vma_iter_bulk

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Message-Id: <20251106110929.3522073-1-guanwentao@uniontech.com>
Date: Thu,  6 Nov 2025 19:09:29 +0800
From: Wentao Guan <guanwentao@...ontech.com>
To: Liam.Howlett@...cle.com
Cc: anshuman.khandual@....com,
	vbabka@...e.cz,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	zhanjun@...ontech.com,
	niecheng1@...ontech.com,
	Wentao Guan <guanwentao@...ontech.com>
Subject: [PATCH v2] mm: cleanup vma_iter_bulk_alloc

commit d24062914837 ("fork: use __mt_dup() to duplicate maple tree in dup_mmap()"),
remove the only user and mas_expected_entries has been removed,
since commit e3852a1213ffc ("maple_tree: Drop bulk insert support").
Also cleanup the mas_expected_entries in maple_tree.h.

No functional change.

Signed-off-by: Wentao Guan <guanwentao@...ontech.com>
---
v2 changelog:
also remove mas_expected_entries from include/maple_tree.h.
---
---
 include/linux/maple_tree.h | 1 -
 mm/vma.h                   | 6 ------
 2 files changed, 7 deletions(-)

diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h
index 66f98a3da8d8b..f7ba53f3f9035 100644
--- a/include/linux/maple_tree.h
+++ b/include/linux/maple_tree.h
@@ -536,7 +536,6 @@ bool mas_nomem(struct ma_state *mas, gfp_t gfp);
 void mas_pause(struct ma_state *mas);
 void maple_tree_init(void);
 void mas_destroy(struct ma_state *mas);
-int mas_expected_entries(struct ma_state *mas, unsigned long nr_entries);
 
 void *mas_prev(struct ma_state *mas, unsigned long min);
 void *mas_prev_range(struct ma_state *mas, unsigned long max);
diff --git a/mm/vma.h b/mm/vma.h
index 9183fe5490090..4aa72c7e94400 100644
--- a/mm/vma.h
+++ b/mm/vma.h
@@ -498,12 +498,6 @@ static inline unsigned long vma_iter_end(struct vma_iterator *vmi)
 	return vmi->mas.last + 1;
 }
 
-static inline int vma_iter_bulk_alloc(struct vma_iterator *vmi,
-				      unsigned long count)
-{
-	return mas_expected_entries(&vmi->mas, count);
-}
-
 static inline
 struct vm_area_struct *vma_iter_prev_range(struct vma_iterator *vmi)
 {

base-commit: dc77806cf3b4788d328fddf245e86c5b529f31a2
-- 
2.20.1