diff options
Diffstat (limited to 'arch/x86/mm/pat/set_memory.c')
| -rw-r--r-- | arch/x86/mm/pat/set_memory.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 46edc11726b7..8834c76f91c9 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -1257,6 +1257,9 @@ static int collapse_pmd_page(pmd_t *pmd, unsigned long addr, pgprot_t pgprot; int i = 0; + if (!cpu_feature_enabled(X86_FEATURE_PSE)) + return 0; + addr &= PMD_MASK; pte = pte_offset_kernel(pmd, addr); first = *pte; |