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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-01-30 13:34:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:34:07 +0100 |
| commit | a72a08a4b61cb8868606a69b744848552e92062b (patch) | |
| tree | a82c77096eece34c0536de656959aa879cb02687 | |
| parent | 3c1df68b848b39270752ff8d4b956cc4a4dce0f6 (diff) | |
| download | op-kernel-dev-a72a08a4b61cb8868606a69b744848552e92062b.zip op-kernel-dev-a72a08a4b61cb8868606a69b744848552e92062b.tar.gz | |
x86: cpa: fix split thinko
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | 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; |
