X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fswap_state.c;h=d8aadaf2a0baa5e87aff579039323585add00952;hb=0f3caba211babef6e3fbde1ba76ddc79321bc92f;hp=65b81c92738f6ee95363d164c688d7784c3361cc;hpb=73b1262fa43a778b1e154deea632cdef5009d6a1;p=linux-2.6

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 65b81c9273..d8aadaf2a0 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -33,7 +33,7 @@ static const struct address_space_operations swap_aops = {
 };
 
 static struct backing_dev_info swap_backing_dev_info = {
-	.capabilities	= BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
+	.capabilities	= BDI_CAP_NO_ACCT_AND_WRITEBACK,
 	.unplug_io_fn	= swap_unplug_io_fn,
 };
 
@@ -115,6 +115,7 @@ void __delete_from_swap_cache(struct page *page)
 /**
  * add_to_swap - allocate swap space for a page
  * @page: page we want to move to swap
+ * @gfp_mask: memory allocation flags
  *
  * Allocate swap space for the page and add the page to the
  * swap cache.  Caller needs to hold the page lock. 
@@ -125,6 +126,7 @@ int add_to_swap(struct page * page, gfp_t gfp_mask)
 	int err;
 
 	BUG_ON(!PageLocked(page));
+	BUG_ON(!PageUptodate(page));
 
 	for (;;) {
 		entry = get_swap_page();
@@ -147,7 +149,6 @@ int add_to_swap(struct page * page, gfp_t gfp_mask)
 
 		switch (err) {
 		case 0:				/* Success */
-			SetPageUptodate(page);
 			SetPageDirty(page);
 			return 1;
 		case -EEXIST:
@@ -315,6 +316,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 /**
  * swapin_readahead - swap in pages in hope we need them soon
  * @entry: swap entry of this memory
+ * @gfp_mask: memory allocation flags
  * @vma: user vma this address belongs to
  * @addr: target address for mempolicy
  *