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authorRobert Morris <[email protected]>2019-06-04 05:57:47 -0400
committerRobert Morris <[email protected]>2019-06-04 05:57:47 -0400
commit8baac760500980d4b83e8de2e90265bfaa19df13 (patch)
treeceb59412ec44ff98c1281627fb648deaeedb0d04 /vm.c
parentcefe223bf5e4b68e5c1202f2f089a164ad656621 (diff)
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support read() and write() bigger than one page
Diffstat (limited to 'vm.c')
-rw-r--r--vm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/vm.c b/vm.c
index 7f9ef14..89b1aa2 100644
--- a/vm.c
+++ b/vm.c
@@ -342,7 +342,7 @@ copyin(pagetable_t pagetable, char *dst, uint64 srcva, uint64 len)
return 0;
}
-// Copy a null-terminated from user to kernel.
+// Copy a null-terminated string from user to kernel.
// Copy bytes to dst from virtual address srcva in a given page table,
// until a '\0', or max.
// Return 0 on success, -1 on error.