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-rw-r--r--rust/helpers/page.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/rust/helpers/page.c b/rust/helpers/page.c
new file mode 100644
index 000000000..f8463fbed
--- /dev/null
+++ b/rust/helpers/page.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/gfp.h>
+#include <linux/highmem.h>
+#include <linux/mm.h>
+
+__rust_helper struct page *rust_helper_alloc_pages(gfp_t gfp_mask,
+ unsigned int order)
+{
+ return alloc_pages(gfp_mask, order);
+}
+
+__rust_helper void *rust_helper_kmap_local_page(struct page *page)
+{
+ return kmap_local_page(page);
+}
+
+__rust_helper void rust_helper_kunmap_local(const void *addr)
+{
+ kunmap_local(addr);
+}
+
+#ifndef NODE_NOT_IN_PAGE_FLAGS
+__rust_helper int rust_helper_page_to_nid(const struct page *page)
+{
+ return page_to_nid(page);
+}
+#endif