Test Program for Safecopy with or without COW How to run ========== Test safecopy with COW: 1. Set USE_COW_SAFECOPY to 1 in /usr/src/kernel/system/do_safecopy.c 2. Type `make run` to prepare and run test. 3. When done testing, type `make clean` to clean up. Test safecopy without COW: 1. Set USE_COW_SAFECOPY to 0 in /usr/src/kernel/system/do_safecopy.c 2. Type `make run` to prepare and run test. 3. When done testing, type `make clean` to clean up. If you want to modify the test buffer size: 1. Modify TEST_PAGE_NUM in inc.h 2. Modify TEST_PAGE_SHIFT in inc.h