bootmem: respect goal more likely

[linux-2.6] / mm / swap_state.c

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 65b81c92738f6ee95363d164c688d7784c3361cc..d8aadaf2a0baa5e87aff579039323585add00952 100644 (file)
--- 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
  *