Author: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
AuthorDate: Thu, 26 Feb 2009 11:53:11 +0200
Commit: Vegard Nossum <vegard.nossum@xxxxxxxxx>
CommitDate: Thu, 26 Feb 2009 14:09:22 +0100
kmemcheck: use kmemcheck_pte_lookup() instead of open-coding it
Impact: cleanup
Lets use kmemcheck_pte_lookup() in kmemcheck_fault() instead of
open-coding it there.
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Signed-off-by: Vegard Nossum <vegard.nossum@xxxxxxxxx>
---
arch/x86/mm/kmemcheck/kmemcheck.c | 7 +------
1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
index 704fb62..9349565 100644
--- a/arch/x86/mm/kmemcheck/kmemcheck.c
+++ b/arch/x86/mm/kmemcheck/kmemcheck.c
@@ -593,7 +593,6 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
unsigned long error_code)
{
pte_t *pte;
- unsigned int level;
/*
* XXX: Is it safe to assume that memory accesses from virtual 86
@@ -606,13 +605,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
if (regs->cs != __KERNEL_CS)
return false;
- pte = lookup_address(address, &level);
+ pte = kmemcheck_pte_lookup(address);
if (!pte)
return false;
- if (level != PG_LEVEL_4K)
- return false;
- if (!pte_hidden(*pte))
- return false;
if (error_code & 2)
kmemcheck_access(regs, address, KMEMCHECK_WRITE);
--
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