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Diffstat (limited to 'arch/x86/xen/enlighten.c')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index bc129146f99..c8a56e457d6 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -669,7 +669,9 @@ static void xen_write_cr3(unsigned long cr3) everything is pinned. */ static __init void xen_alloc_pte_init(struct mm_struct *mm, u32 pfn) { +#ifdef CONFIG_FLATMEM BUG_ON(mem_map); /* should only be used early */ +#endif make_lowmem_page_readonly(__va(PFN_PHYS(pfn))); } |