diff --git a/mm/filemap.c b/mm/filemap.c
index f3555fb..2f55a1e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -741,7 +741,14 @@
 		page = __page_cache_alloc(gfp_mask);
 		if (!page)
 			return NULL;
-		err = add_to_page_cache_lru(page, mapping, index, gfp_mask);
+		/*
+		 * We want a regular kernel memory (not highmem or DMA etc)
+		 * allocation for the radix tree nodes, but we need to honour
+		 * the context-specific requirements the caller has asked for.
+		 * GFP_RECLAIM_MASK collects those requirements.
+		 */
+		err = add_to_page_cache_lru(page, mapping, index,
+			(gfp_mask & GFP_RECLAIM_MASK));
 		if (unlikely(err)) {
 			page_cache_release(page);
 			page = NULL;
@@ -950,7 +957,7 @@
 		return NULL;
 	}
 	page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~__GFP_FS);
-	if (page && add_to_page_cache_lru(page, mapping, index, GFP_KERNEL)) {
+	if (page && add_to_page_cache_lru(page, mapping, index, GFP_NOFS)) {
 		page_cache_release(page);
 		page = NULL;
 	}