Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a72a08a4b61cb8868606a69b744848552e92062b
Commit: a72a08a4b61cb8868606a69b744848552e92062b
Parent: 3c1df68b848b39270752ff8d4b956cc4a4dce0f6
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:34:07 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:34:07 2008 +0100
x86: cpa: fix split thinko
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/mm/pageattr.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 23f0aa3..a2ee317 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -216,8 +216,12 @@ repeat:
prot = static_protections(prot, address);
if (level == PG_LEVEL_4K) {
+ WARN_ON_ONCE(pgprot_val(prot) & _PAGE_PSE);
set_pte_atomic(kpte, pfn_pte(pfn, canon_pgprot(prot)));
} else {
+ /* Clear the PSE bit for the 4k level pages ! */
+ pgprot_val(prot) = pgprot_val(prot) & ~_PAGE_PSE;
+
err = split_large_page(kpte, address);
if (!err)
goto repeat;
-
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