Changeset 36359 in vbox

Timestamp:

Mar 23, 2011 10:22:22 AM (14 years ago)

Author:

vboxsync

Message:

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

File:

• trunk/src/VBox/Additions/linux/sharedfolders/regops.c (modified) (1 diff)

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"));