vbox的更動 36359 路徑 trunk/src/VBox/Additions/linux/sharedfolders/regops.c

時間撮記:

2011-3-23 上午10:22:22 (14 年 以前)

作者:

vboxsync

訊息:

Linux/Additions/sharedfolders: don't use GFP_HIGHUSER if we pass virtual addresses to HGCM

檔案:

• trunk/src/VBox/Additions/linux/sharedfolders/regops.c (修改) (1 筆差異)

trunk/src/VBox/Additions/linux/sharedfolders/regops.c

@@ -473 +473 @@
 #endif
 
-    page = alloc_page(GFP_HIGHUSER);
+    /* Don't use GFP_HIGHUSER as long as sf_reg_read_aux() calls vboxCallRead()
+     * which works on virtual addresses. On Linux cannot reliably determine the
+     * physical address for high memory, see rtR0MemObjNativeLockKernel(). */
+    page = alloc_page(GFP_USER);
     if (!page) {
         LogRelFunc(("failed to allocate page\n"));