Merge branch 'upstream/pvhvm' into upstream/xen

[pandora-kernel.git] / fs / nfs / file.c

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 36a5e74..f036153 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -27,6 +27,7 @@
 #include <linux/pagemap.h>
 #include <linux/aio.h>
 #include <linux/gfp.h>
+#include <linux/swap.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -493,11 +494,19 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset)
  */
 static int nfs_release_page(struct page *page, gfp_t gfp)
 {
+       struct address_space *mapping = page->mapping;
+
        dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page);
 
        /* Only do I/O if gfp is a superset of GFP_KERNEL */
-       if ((gfp & GFP_KERNEL) == GFP_KERNEL)
-               nfs_wb_page(page->mapping->host, page);
+       if (mapping && (gfp & GFP_KERNEL) == GFP_KERNEL) {
+               int how = FLUSH_SYNC;
+
+               /* Don't let kswapd deadlock waiting for OOM RPC calls */
+               if (current_is_kswapd())
+                       how = 0;
+               nfs_commit_inode(mapping->host, how);
+       }
        /* If PagePrivate() is set, then the page is not freeable */
        if (PagePrivate(page))
                return 0;