From f18e354aa953a1c05c3ebf5394de56eae6778fa3 Mon Sep 17 00:00:00 2001
From: yipeng xiang <yipengxiang@honor.corp-partner.google.com>
Date: Thu, 26 Jun 2025 11:19:45 +0800
Subject: [PATCH] ANDROID: mm: export vm_normal_folio_pmd to allow vendors to
 implement simplified smaps

The current process smaps operation is time-consuming. Exporting the
vm_normal_folio_pmd function enables vendors to provide a more efficient and simplified version of smaps.

Bug: 427633539
Change-Id: I7710f5d1656a9f7a4ae883aefc93135c93e637b5
Signed-off-by: yipeng xiang <yipengxiang@honor.corp-partner.google.com>
---
 mm/memory.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/memory.c b/mm/memory.c
index 5f584ca47550..caf01a420197 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -719,6 +719,7 @@ struct folio *vm_normal_folio_pmd(struct vm_area_struct *vma,
 		return page_folio(page);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(vm_normal_folio_pmd);
 #endif
 
 static void restore_exclusive_pte(struct vm_area_struct *vma,