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| author | Robert Morris <[email protected]> | 2020-08-13 08:05:13 -0400 |
|---|---|---|
| committer | Robert Morris <[email protected]> | 2020-08-13 08:05:13 -0400 |
| commit | e1a2cd59faf0cf7a3b315cefff11d68b68ec54a7 (patch) | |
| tree | 79bc9fa5898946b04e61b3366003b117bf6773c2 /kernel/vm.c | |
| parent | d32eac366fd06ec58cc3b34a3ca1824864bd7618 (diff) | |
| parent | 315c37c0f1e7c05f7b7d0ec145a2002b0612c49c (diff) | |
| download | xv6-labs-e1a2cd59faf0cf7a3b315cefff11d68b68ec54a7.tar.gz xv6-labs-e1a2cd59faf0cf7a3b315cefff11d68b68ec54a7.tar.bz2 xv6-labs-e1a2cd59faf0cf7a3b315cefff11d68b68ec54a7.zip | |
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
Diffstat (limited to 'kernel/vm.c')
| -rw-r--r-- | kernel/vm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/vm.c b/kernel/vm.c index d45210a..b48a022 100644 --- a/kernel/vm.c +++ b/kernel/vm.c @@ -65,9 +65,9 @@ kvminithart() // A 64-bit virtual address is split into five fields: // 39..63 -- must be zero. // 30..38 -- 9 bits of level-2 index. -// 21..39 -- 9 bits of level-1 index. +// 21..29 -- 9 bits of level-1 index. // 12..20 -- 9 bits of level-0 index. -// 0..12 -- 12 bits of byte offset within the page. +// 0..11 -- 12 bits of byte offset within the page. pte_t * walk(pagetable_t pagetable, uint64 va, int alloc) { |