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-rw-r--r--kernel/vm.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/vm.c b/kernel/vm.c
index 2f3789f..bccb405 100644
--- a/kernel/vm.c
+++ b/kernel/vm.c
@@ -235,8 +235,7 @@ uvmalloc(pagetable_t pagetable, uint64 oldsz, uint64 newsz)
return oldsz;
oldsz = PGROUNDUP(oldsz);
- a = oldsz;
- for(; a < newsz; a += PGSIZE){
+ for(a = oldsz; a < newsz; a += PGSIZE){
mem = kalloc();
if(mem == 0){
uvmdealloc(pagetable, a, oldsz);