From 6ba93994cb7f8c36c702355eda978de444a4e167 Mon Sep 17 00:00:00 2001
From: mucor <mucorwang@gmail.com>
Date: Thu, 8 Apr 2021 20:17:11 +0800
Subject: [PATCH] remove redundant page free

Change-Id: I5ca037ef20eb65578b804e314617953bfbf6c35b
---
 kernel/base/vm/los_vm_filemap.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/base/vm/los_vm_filemap.c b/kernel/base/vm/los_vm_filemap.c
index f05caf9b..653194b4 100644
--- a/kernel/base/vm/los_vm_filemap.c
+++ b/kernel/base/vm/los_vm_filemap.c
@@ -428,11 +428,6 @@ LosFilePage *OsDumpDirtyPage(LosFilePage *oldFPage)
     }
 
     OsCleanPageDirty(oldFPage->vmPage);
-    LOS_AtomicInc(&oldFPage->vmPage->refCounts);
-    /* no map page cache */
-    if (LOS_AtomicRead(&oldFPage->vmPage->refCounts) == 1) {
-        LOS_AtomicInc(&oldFPage->vmPage->refCounts);
-    }
     (VOID)memcpy_s(newFPage, sizeof(LosFilePage), oldFPage, sizeof(LosFilePage));
 
     return newFPage;
@@ -444,7 +439,6 @@ VOID OsDoFlushDirtyPage(LosFilePage *fpage)
         return;
     }
     (VOID)OsFlushDirtyPage(fpage);
-    LOS_PhysPageFree(fpage->vmPage);
     LOS_MemFree(m_aucSysMem0, fpage);
 }