drm/vmwgfx: Fix uninitialized return in vmw_kms_helper_dirty()

[mirror_ubuntu-bionic-kernel.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index df959b7d608518edf9ab5c577e6b19afa8d88ed9..5b5240b7f642de179efa3552245fbf9326d7a206 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1343,12 +1343,15 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags,
        set_page_owner(page, order, gfp_flags);
 
        /*
-        * page->pfmemalloc is set when ALLOC_NO_WATERMARKS was necessary to
+        * page is set pfmemalloc when ALLOC_NO_WATERMARKS was necessary to
         * allocate the page. The expectation is that the caller is taking
         * steps that will free more memory. The caller should avoid the page
         * being used for !PFMEMALLOC purposes.
         */
-       page->pfmemalloc = !!(alloc_flags & ALLOC_NO_WATERMARKS);
+       if (alloc_flags & ALLOC_NO_WATERMARKS)
+               set_page_pfmemalloc(page);
+       else
+               clear_page_pfmemalloc(page);
 
        return 0;
 }
@@ -3345,7 +3348,7 @@ refill:
                atomic_add(size - 1, &page->_count);
 
                /* reset page count bias and offset to start of new frag */
-               nc->pfmemalloc = page->pfmemalloc;
+               nc->pfmemalloc = page_is_pfmemalloc(page);
                nc->pagecnt_bias = size;
                nc->offset = size;
        }