Use release_pages() to free the pages allocated by vmalloc(). This is
slightly more efficient in terms of disabling and enabling IRQs once
per batch instead of once per page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
mm/vmalloc.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index be4724b916b3..3893fc8915c4 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2263,16 +2263,8 @@ static void __vunmap(const void *addr, int deallocate_pages)
vm_remove_mappings(area, deallocate_pages);
if (deallocate_pages) {
- int i;
-
- for (i = 0; i < area->nr_pages; i++) {
- struct page *page = area->pages[i];
-
- BUG_ON(!page);
- __free_pages(page, 0);
- }
+ release_pages(area->pages, area->nr_pages);
atomic_long_sub(area->nr_pages, &nr_vmalloc_pages);
-
kvfree(area->pages);
}
--
2.28.0
