[PATCH v1 13/16] mm: rename zap_page_range_single_batched() to zap_vma_range_batched()

[David Hildenbrand (Arm)]

Let's make the naming more consistent with our new naming scheme.

While at it, polish the kerneldoc a bit.

Signed-off-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
---
 mm/internal.h |  2 +-
 mm/madvise.c  |  5 ++---
 mm/memory.c   | 23 +++++++++++++----------
 3 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index df9190f7db0e..15a1b3f0a6d1 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -536,7 +536,7 @@ static inline void sync_with_folio_pmd_zap(struct mm_struct *mm, pmd_t *pmdp)
 }
 
 struct zap_details;
-void zap_page_range_single_batched(struct mmu_gather *tlb,
+void zap_vma_range_batched(struct mmu_gather *tlb,
 		struct vm_area_struct *vma, unsigned long addr,
 		unsigned long size, struct zap_details *details);
 int zap_vma_for_reaping(struct vm_area_struct *vma);
diff --git a/mm/madvise.c b/mm/madvise.c
index b51f216934f3..fb5fcdff2b66 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -855,9 +855,8 @@ static long madvise_dontneed_single_vma(struct madvise_behavior *madv_behavior)
 		.reclaim_pt = true,
 	};
 
-	zap_page_range_single_batched(
-			madv_behavior->tlb, madv_behavior->vma, range->start,
-			range->end - range->start, &details);
+	zap_vma_range_batched(madv_behavior->tlb, madv_behavior->vma,
+			      range->start, range->end - range->start, &details);
 	return 0;
 }
 
diff --git a/mm/memory.c b/mm/memory.c
index 1c0bcdfc73b7..e611e9af4e85 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2167,17 +2167,20 @@ void unmap_vmas(struct mmu_gather *tlb, struct unmap_desc *unmap)
 }
 
 /**
- * zap_page_range_single_batched - remove user pages in a given range
+ * zap_vma_range_batched - zap page table entries in a vma range
  * @tlb: pointer to the caller's struct mmu_gather
- * @vma: vm_area_struct holding the applicable pages
- * @address: starting address of pages to remove
- * @size: number of bytes to remove
- * @details: details of shared cache invalidation
+ * @vma: the vma covering the range to zap
+ * @address: starting address of the range to zap
+ * @size: number of bytes to zap
+ * @details: details specifying zapping behavior
+ *
+ * @tlb must not be NULL. The provided address range must be fully
+ * contained within @vma. If @vma is for hugetlb, @tlb is flushed and
+ * re-initialized by this function.
  *
- * @tlb shouldn't be NULL.  The range must fit into one VMA.  If @vma is for
- * hugetlb, @tlb is flushed and re-initialized by this function.
+ * If @details is NULL, this function will zap all page table entries.
  */
-void zap_page_range_single_batched(struct mmu_gather *tlb,
+void zap_vma_range_batched(struct mmu_gather *tlb,
 		struct vm_area_struct *vma, unsigned long address,
 		unsigned long size, struct zap_details *details)
 {
@@ -2225,7 +2228,7 @@ void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,
 	struct mmu_gather tlb;
 
 	tlb_gather_mmu(&tlb, vma->vm_mm);
-	zap_page_range_single_batched(&tlb, vma, address, size, NULL);
+	zap_vma_range_batched(&tlb, vma, address, size, NULL);
 	tlb_finish_mmu(&tlb);
 }
 
@@ -4251,7 +4254,7 @@ static inline void unmap_mapping_range_tree(struct rb_root_cached *root,
 		size = (end_idx - start_idx) << PAGE_SHIFT;
 
 		tlb_gather_mmu(&tlb, vma->vm_mm);
-		zap_page_range_single_batched(&tlb, vma, start, size, details);
+		zap_vma_range_batched(&tlb, vma, start, size, details);
 		tlb_finish_mmu(&tlb);
 	}
 }
-- 
2.43.0