diff options
Diffstat (limited to 'drivers/xen/balloon.c')
| -rw-r--r-- | drivers/xen/balloon.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index e33615335aa..2a2ef97697b 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -91,14 +91,6 @@ EXPORT_SYMBOL_GPL(balloon_stats); /* We increase/decrease in batches which fit in a page */ static xen_pfn_t frame_list[PAGE_SIZE / sizeof(unsigned long)]; -#ifdef CONFIG_HIGHMEM -#define inc_totalhigh_pages() (totalhigh_pages++) -#define dec_totalhigh_pages() (totalhigh_pages--) -#else -#define inc_totalhigh_pages() do {} while (0) -#define dec_totalhigh_pages() do {} while (0) -#endif - /* List of ballooned pages, threaded through the mem_map array. */ static LIST_HEAD(ballooned_pages); @@ -134,9 +126,7 @@ static void __balloon_append(struct page *page) static void balloon_append(struct page *page) { __balloon_append(page); - if (PageHighMem(page)) - dec_totalhigh_pages(); - totalram_pages--; + adjust_managed_page_count(page, -1); } /* balloon_retrieve: rescue a page from the balloon, if it is not empty. */ @@ -153,13 +143,12 @@ static struct page *balloon_retrieve(bool prefer_highmem) page = list_entry(ballooned_pages.next, struct page, lru); list_del(&page->lru); - if (PageHighMem(page)) { + if (PageHighMem(page)) balloon_stats.balloon_high--; - inc_totalhigh_pages(); - } else + else balloon_stats.balloon_low--; - totalram_pages++; + adjust_managed_page_count(page, 1); return page; } @@ -374,9 +363,7 @@ static enum bp_state increase_reservation(unsigned long nr_pages) #endif /* Relinquish the page back to the allocator. */ - ClearPageReserved(page); - init_page_count(page); - __free_page(page); + __free_reserved_page(page); } balloon_stats.current_pages += rc; |