Commits · 880ee18ab14477b669a6b95707721322bfe086c1 · Krishna Vinnakota / CSEP551

Aug 31, 2010
- kalloc/kfree now only a page at a time · 7d7dc933
  Robert Morris authored 14 years ago
```
do not keep sorted contiguous free list
```
  7d7dc933
Aug 30, 2010
- xx · ac090078
  Robert Morris authored 14 years ago
  
  ac090078
- we don't need CR0_WP · 8d8d6c7b
  Robert Morris authored 14 years ago
  
  8d8d6c7b
- set only PG and WP in vminit; the rest don't seem to be needed and are confusing · 5ab868fd
  Robert Morris authored 14 years ago
  
  5ab868fd
Aug 11, 2010
- uptime() sys call for benchmarking · 789b508d
  Robert Morris authored 14 years ago
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increase PHYSTOP
```
  789b508d
Aug 10, 2010
- allow sbrk(-x) to de-allocate user memory · 83d2db91
  Robert Morris authored 14 years ago
  
  83d2db91
Aug 06, 2010
- fix corner cases in exec of ELF · c4cc10da
  Robert Morris authored 14 years ago
```
put an invalid page below the stack
have fork() handle invalid pages
```
  c4cc10da
Aug 05, 2010
- add some comments · 1afc9d3f
  Robert Morris authored 14 years ago
```
find out the hard way why user and kernel must have separate segment descriptors
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  1afc9d3f
- remove some unused vm #defines · c9959978
  Robert Morris authored 14 years ago
```
fix corner cases with alignment when mapping kernel ELF file
```
  c9959978
- move jkstack to main.c · 2cf6b32d
  Robert Morris authored 14 years ago
```
replace jstack with asm()s
```
  2cf6b32d
- fix allocuvm() to handle sbrk() with non-page-granularity argument · eb18645f
  Robert Morris authored 14 years ago
```
(maybe this never worked, but it works now)
```
  eb18645f
Jul 28, 2010
- kill TLB shoot down code · b738a4f1
  Frans Kaashoek authored 14 years ago
  
  b738a4f1
Jul 26, 2010
- more cleanup · de40730d
  Frans Kaashoek authored 14 years ago
  
  de40730d
Jul 25, 2010
- some cleanup · 30f5bf05
  Frans Kaashoek authored 14 years ago
  
  30f5bf05
Jul 23, 2010
- oops, vm.c · b364c4b8
  Frans Kaashoek authored 14 years ago
  
  b364c4b8