diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 8db96b5e7253..ad9ba1e97450 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -580,7 +580,8 @@ void balloon_set_new_target(unsigned long target) } EXPORT_SYMBOL_GPL(balloon_set_new_target); -static int add_ballooned_pages(int nr_pages) +#ifndef CONFIG_XEN_UNPOPULATED_ALLOC +static int add_ballooned_pages(unsigned int nr_pages) { enum bp_state st; @@ -608,14 +609,14 @@ static int add_ballooned_pages(int nr_pages) } /** - * alloc_xenballooned_pages - get pages that have been ballooned out + * xen_alloc_unpopulated_pages - get pages that have been ballooned out * @nr_pages: Number of pages to get * @pages: pages returned * @return 0 on success, error otherwise */ -int alloc_xenballooned_pages(int nr_pages, struct page **pages) +int xen_alloc_unpopulated_pages(unsigned int nr_pages, struct page **pages) { - int pgno = 0; + unsigned int pgno = 0; struct page *page; int ret; @@ -650,7 +651,7 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages) return 0; out_undo: mutex_unlock(&balloon_mutex); - free_xenballooned_pages(pgno, pages); + xen_free_unpopulated_pages(pgno, pages); /* * NB: free_xenballooned_pages will only subtract pgno pages, but since * target_unpopulated is incremented with nr_pages at the start we need @@ -659,16 +660,16 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages) balloon_stats.target_unpopulated -= nr_pages - pgno; return ret; } -EXPORT_SYMBOL(alloc_xenballooned_pages); +EXPORT_SYMBOL(xen_alloc_unpopulated_pages); /** - * free_xenballooned_pages - return pages retrieved with get_ballooned_pages + * xen_free_unpopulated_pages - return pages retrieved with get_ballooned_pages * @nr_pages: Number of pages * @pages: pages to return */ -void free_xenballooned_pages(int nr_pages, struct page **pages) +void xen_free_unpopulated_pages(unsigned int nr_pages, struct page **pages) { - int i; + unsigned int i; mutex_lock(&balloon_mutex); @@ -685,9 +686,9 @@ void free_xenballooned_pages(int nr_pages, struct page **pages) mutex_unlock(&balloon_mutex); } -EXPORT_SYMBOL(free_xenballooned_pages); +EXPORT_SYMBOL(xen_free_unpopulated_pages); -#if defined(CONFIG_XEN_PV) && !defined(CONFIG_XEN_UNPOPULATED_ALLOC) +#if defined(CONFIG_XEN_PV) static void __init balloon_add_region(unsigned long start_pfn, unsigned long pages) { @@ -710,6 +711,7 @@ static void __init balloon_add_region(unsigned long start_pfn, balloon_stats.total_pages += extra_pfn_end - start_pfn; } #endif +#endif static int __init balloon_init(void) { diff --git a/include/xen/balloon.h b/include/xen/balloon.h index 6dbdb0b3fd03..e93d4f0088c5 100644 --- a/include/xen/balloon.h +++ b/include/xen/balloon.h @@ -26,9 +26,6 @@ extern struct balloon_stats balloon_stats; void balloon_set_new_target(unsigned long target); -int alloc_xenballooned_pages(int nr_pages, struct page **pages); -void free_xenballooned_pages(int nr_pages, struct page **pages); - #ifdef CONFIG_XEN_BALLOON void xen_balloon_init(void); #else diff --git a/include/xen/xen.h b/include/xen/xen.h index 43efba045acc..9f031b5faa54 100644 --- a/include/xen/xen.h +++ b/include/xen/xen.h @@ -52,13 +52,7 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, extern u64 xen_saved_max_mem_size; #endif -#ifdef CONFIG_XEN_UNPOPULATED_ALLOC int xen_alloc_unpopulated_pages(unsigned int nr_pages, struct page **pages); void xen_free_unpopulated_pages(unsigned int nr_pages, struct page **pages); -#else -#define xen_alloc_unpopulated_pages alloc_xenballooned_pages -#define xen_free_unpopulated_pages free_xenballooned_pages -#include -#endif #endif /* _XEN_XEN_H */