mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and...

[deliverable/linux.git] / net / core / sock.c

diff --git a/net/core/sock.c b/net/core/sock.c
index 7529eb9463be21a92dab4180adf5059cc0587807..1e4dd54bfb5a525ef6070905f07472f60e9f137f 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1944,8 +1944,10 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)
 
        pfrag->offset = 0;
        if (SKB_FRAG_PAGE_ORDER) {
-               pfrag->page = alloc_pages((gfp & ~__GFP_WAIT) | __GFP_COMP |
-                                         __GFP_NOWARN | __GFP_NORETRY,
+               /* Avoid direct reclaim but allow kswapd to wake */
+               pfrag->page = alloc_pages((gfp & ~__GFP_DIRECT_RECLAIM) |
+                                         __GFP_COMP | __GFP_NOWARN |
+                                         __GFP_NORETRY,
                                          SKB_FRAG_PAGE_ORDER);
                if (likely(pfrag->page)) {
                        pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER;