1 files changed, 9 insertions, 2 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index f3555fb806d3..2f55a1e2baf7 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -741,7 +741,14 @@ repeat:
                 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 @@ grab_cache_page_nowait(struct address_space *mapping, pgoff_t index)
                 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;
         }