Win7 how to share virtual memory

First step: right click on the "computer" in the Win7 system, then click "properties", open the "system" interface and click on the right side of the "advanced property settings" ”.
Step 2: In the "Performance" option area, click the “Set" button to open “performance options”.
Step 3: In the "Advanced” tab"Virtual Memory" option, click “Change", open “virtual memory", cancel “automatically manage paging of all drives The file size & rdquo; option, and select the partition installed by XP in the "drive".
Step 4: Click “OK" to complete the shared virtual memory in Win7 and XP dual systems.