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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-04-02 10:54:12 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-24 23:57:33 +0200 |
| commit | af7ae3b9c4a4c1337903f31131d58e3c0d2b6d55 (patch) | |
| tree | 671e5800167551047b9b9dfcdadd77046c4ee2d1 /arch/x86/xen/enlighten.c | |
| parent | b77797fb2bf31bf076e6b69736119bc6a077525b (diff) | |
| download | op-kernel-dev-af7ae3b9c4a4c1337903f31131d58e3c0d2b6d55.zip op-kernel-dev-af7ae3b9c4a4c1337903f31131d58e3c0d2b6d55.tar.gz | |
xen: allow compilation with non-flat memory
There's no real reason we can't support sparsemem/discontigmem, so do so.
This is mostly useful to support hotplug memory.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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 bc12914..c8a56e4 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))); } |
