diff options
| 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 /arch | |
| parent | x86: make sure initmem is writable (diff) | |
| download | linux-a72a08a4b61cb8868606a69b744848552e92062b.tar.xz linux-a72a08a4b61cb8868606a69b744848552e92062b.zip | |
x86: cpa: fix split thinko
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -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 23f0aa3d01c1..a2ee317548f2 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; |