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| author | Robert Morris <[email protected]> | 2019-07-24 13:33:43 -0400 |
|---|---|---|
| committer | Robert Morris <[email protected]> | 2019-07-24 13:33:43 -0400 |
| commit | a77287e9244ae5dac7060c0b8817bc195325af0c (patch) | |
| tree | fbf856ce361a9bc75abe4c484ecaff324607dd71 /kernel/vm.c | |
| parent | b4f89bb5290cff5926e5a735487b024f8314e028 (diff) | |
| download | xv6-labs-a77287e9244ae5dac7060c0b8817bc195325af0c.tar.gz xv6-labs-a77287e9244ae5dac7060c0b8817bc195325af0c.tar.bz2 xv6-labs-a77287e9244ae5dac7060c0b8817bc195325af0c.zip | |
no more PAGEBREAK
Diffstat (limited to 'kernel/vm.c')
| -rw-r--r-- | kernel/vm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/vm.c b/kernel/vm.c index b327b94..5063956 100644 --- a/kernel/vm.c +++ b/kernel/vm.c @@ -60,10 +60,10 @@ kvminithart() // Return the address of the PTE in page table pagetable // that corresponds to virtual address va. If alloc!=0, -// create any required page table pages. +// create any required page-table pages. // -// The risc-v Sv39 scheme has three levels of page table -// pages. A page table page contains 512 64-bit PTEs. +// The risc-v Sv39 scheme has three levels of page-table +// pages. A page-table page contains 512 64-bit PTEs. // A 64-bit virtual address is split into five fields: // 39..63 -- must be zero. // 30..38 -- 9 bits of level-2 index. @@ -249,7 +249,7 @@ uvmdealloc(pagetable_t pagetable, uint64 oldsz, uint64 newsz) return newsz; } -// Recursively free page table pages. +// Recursively free page-table pages. // All leaf mappings must already have been removed. static void freewalk(pagetable_t pagetable) @@ -270,7 +270,7 @@ freewalk(pagetable_t pagetable) } // Free user memory pages, -// then free page table pages. +// then free page-table pages. void uvmfree(pagetable_t pagetable, uint64 sz) { |