Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=64f351d197d9ae8ad9624998afa8ee18e696ca44
Commit: 64f351d197d9ae8ad9624998afa8ee18e696ca44
Parent: 07cf89c05f2bbafa002401ac4e09ac31678513e4
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 4 16:48:08 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Mon Feb 4 16:48:08 2008 +0100
x86: cpa selftest, skip non present entries
pud and pmd entries in the RAM area might be marked as non present.
Do not try to modify them in the selftest.
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
arch/x86/mm/pageattr-test.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 7573e78..398f3a5 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -137,7 +137,8 @@ static __init int exercise_pageattr(void)
for (k = 0; k < len[i]; k++) {
pte = lookup_address(addr[i] + k*PAGE_SIZE, &level);
- if (!pte || pgprot_val(pte_pgprot(*pte)) == 0) {
+ if (!pte || pgprot_val(pte_pgprot(*pte)) == 0 ||
+ !(pte_val(*pte) & _PAGE_PRESENT)) {
addr[i] = 0;
break;
}
-
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