From 2eb214c9dbdd7b7b90997531c171196fc3bd0e9f Mon Sep 17 00:00:00 2001
From: Austin Clements <amdragon@mit.edu>
Date: Fri, 2 Sep 2011 14:37:04 -0400
Subject: [PATCH] clear_pte_u -> clearpteu
---
defs.h | 2 +-
exec.c | 2 +-
vm.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/defs.h b/defs.h
index 4b3eec9..921c7bf 100644
--- a/defs.h
+++ b/defs.h
@@ -176,7 +176,7 @@ pde_t* copyuvm(pde_t*, uint);
void switchuvm(struct proc*);
void switchkvm(void);
int copyout(pde_t*, uint, void*, uint);
-void clear_pte_u(pde_t *pgdir, char *uva);
+void clearpteu(pde_t *pgdir, char *uva);
// number of elements in fixed-size array
#define NELEM(x) (sizeof(x)/sizeof((x)[0]))
diff --git a/exec.c b/exec.c
index af9e006..4be65a4 100644
--- a/exec.c
+++ b/exec.c
@@ -55,7 +55,7 @@ exec(char *path, char **argv)
sz = PGROUNDUP(sz);
if((sz = allocuvm(pgdir, sz, sz + 2*PGSIZE)) == 0)
goto bad;
- clear_pte_u(pgdir, (char*)(sz-2*PGSIZE));
+ clearpteu(pgdir, (char*)(sz - 2*PGSIZE));
sp = sz;
// Push argument strings, prepare rest of stack in ustack.
diff --git a/vm.c b/vm.c
index 10687fc..3e52b44 100644
--- a/vm.c
+++ b/vm.c
@@ -292,13 +292,13 @@ freevm(pde_t *pgdir)
// Clear PTE_U on a page. Used to create an inaccessible
// page beneath the user stack.
void
-clear_pte_u(pde_t *pgdir, char *uva)
+clearpteu(pde_t *pgdir, char *uva)
{
pte_t *pte;
pte = walkpgdir(pgdir, uva, 0);
if(pte == 0)
- panic("clear_pte_u");
+ panic("clearpteu");
*pte &= ~PTE_U;
}
--
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