[to-be-updated] mm-vmalloc-extract-vmap_set_ptes-to-consolidate-pte-mapping-logic.patch removed from -mm tree

[to-be-updated] mm-vmalloc-extract-vmap_set_ptes-to-consolidate-pte-mapping-logic.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/vmalloc: extract vmap_set_ptes() to consolidate PTE mapping logic
has been removed from the -mm tree.  Its filename was
     mm-vmalloc-extract-vmap_set_ptes-to-consolidate-pte-mapping-logic.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Wen Jiang <jiangwenxiaomi@gmail.com>
Subject: mm/vmalloc: extract vmap_set_ptes() to consolidate PTE mapping logic
Date: Thu, 18 Jun 2026 16:47:23 +0800

Extract the common PTE mapping logic from vmap_pte_range() into a shared
helper vmap_set_ptes().  This handles both CONT_PTE and regular PTE
mappings in a single function, preparing for the next patch which will
extend vmap_pages_pte_range() to also use this helper.

The #ifdef CONFIG_HUGETLB_PAGE guard is moved inside vmap_set_ptes(), so
callers no longer need to handle the conditional compilation.

No functional change.

Link: https://lore.kernel.org/20260618084726.1070022-4-jiangwen6@xiaomi.com
Signed-off-by: Wen Jiang <jiangwen6@xiaomi.com>
Tested-by: Xueyuan Chen <xueyuan.chen21@gmail.com>
Tested-by: Leo Yan <leo.yan@arm.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Cc: Andrew Donnellan <ajd@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: "Barry Song (Xiaomi)" <baohua@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmalloc.c |   44 +++++++++++++++++++++++++++++++-------------
 1 file changed, 31 insertions(+), 13 deletions(-)

--- a/mm/vmalloc.c~mm-vmalloc-extract-vmap_set_ptes-to-consolidate-pte-mapping-logic
+++ a/mm/vmalloc.c
@@ -91,6 +91,35 @@ struct vfree_deferred {
 static DEFINE_PER_CPU(struct vfree_deferred, vfree_deferred);
 
 /*** Page table manipulation functions ***/
+
+/*
+ * Set PTE mappings for the given PFN. Try CONT_PTE mappings first when
+ * supported, otherwise fall back to PAGE_SIZE mappings.
+ *
+ * Return: mapping size.
+ */
+static __always_inline unsigned long vmap_set_ptes(pte_t *pte,
+		unsigned long addr, unsigned long end, u64 pfn,
+		pgprot_t prot, unsigned int max_page_shift)
+{
+#ifdef CONFIG_HUGETLB_PAGE
+	if (max_page_shift > PAGE_SHIFT) {
+		unsigned long size;
+
+		size = arch_vmap_pte_range_map_size(addr, end, pfn, max_page_shift);
+		if (size != PAGE_SIZE) {
+			pte_t entry = pfn_pte(pfn, prot);
+
+			entry = arch_make_huge_pte(entry, ilog2(size), 0);
+			set_huge_pte_at(&init_mm, addr, pte, entry, size);
+			return size;
+		}
+	}
+#endif
+	set_pte_at(&init_mm, addr, pte, pfn_pte(pfn, prot));
+	return PAGE_SIZE;
+}
+
 static int vmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 			phys_addr_t phys_addr, pgprot_t prot,
 			unsigned int max_page_shift, pgtbl_mod_mask *mask)
@@ -119,19 +148,8 @@ static int vmap_pte_range(pmd_t *pmd, un
 			BUG();
 		}
 
-#ifdef CONFIG_HUGETLB_PAGE
-		size = arch_vmap_pte_range_map_size(addr, end, pfn, max_page_shift);
-		if (size != PAGE_SIZE) {
-			pte_t entry = pfn_pte(pfn, prot);
-
-			entry = arch_make_huge_pte(entry, ilog2(size), 0);
-			set_huge_pte_at(&init_mm, addr, pte, entry, size);
-			pfn += PFN_DOWN(size);
-			continue;
-		}
-#endif
-		set_pte_at(&init_mm, addr, pte, pfn_pte(pfn, prot));
-		pfn++;
+		size = vmap_set_ptes(pte, addr, end, pfn, prot, max_page_shift);
+		pfn += PFN_DOWN(size);
 	} while (pte += PFN_DOWN(size), addr += size, addr != end);
 
 	lazy_mmu_mode_disable();
_

Patches currently in -mm which might be from jiangwenxiaomi@gmail.com are