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2010-08-30we don't need CR0_WPRobert Morris1-3/+1
2010-08-30set only PG and WP in vminit; the rest don't seem to be needed and are confusingRobert Morris1-2/+3
2010-08-11uptime() sys call for benchmarkingRobert Morris1-1/+3
increase PHYSTOP
2010-08-10allow sbrk(-x) to de-allocate user memoryRobert Morris1-1/+25
2010-08-06fix corner cases in exec of ELFRobert Morris1-23/+43
put an invalid page below the stack have fork() handle invalid pages
2010-08-05add some commentsRobert Morris1-3/+6
find out the hard way why user and kernel must have separate segment descriptors
2010-08-05remove some unused vm #definesRobert Morris1-37/+23
fix corner cases with alignment when mapping kernel ELF file
2010-08-05move jkstack to main.cRobert Morris1-11/+0
replace jstack with asm()s
2010-08-05fix allocuvm() to handle sbrk() with non-page-granularity argumentRobert Morris1-10/+26
(maybe this never worked, but it works now)
2010-07-28kill TLB shoot down codeFrans Kaashoek1-5/+0
2010-07-26more cleanupFrans Kaashoek1-32/+12
2010-07-25some cleanupFrans Kaashoek1-20/+34
2010-07-23oops, vm.cFrans Kaashoek1-0/+353