diff options
-rw-r--r-- | arch/x86/xen/p2m.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index edbc7a6..cab221d 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -167,10 +167,13 @@ static void * __ref alloc_p2m_page(void) return (void *)__get_free_page(GFP_KERNEL | __GFP_REPEAT); } -/* Only to be called in case of a race for a page just allocated! */ -static void free_p2m_page(void *p) +static void __ref free_p2m_page(void *p) { - BUG_ON(!slab_is_available()); + if (unlikely(!slab_is_available())) { + free_bootmem((unsigned long)p, PAGE_SIZE); + return; + } + free_page((unsigned long)p); } |