NFS: Cleanup of NFS read code

[pandora-kernel.git] / mm / swap_state.c

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 0df9a57..db8a3d3 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -14,6 +14,7 @@
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/backing-dev.h>
+#include <linux/pagevec.h>
 
 #include <asm/pgtable.h>
 
@@ -26,6 +27,7 @@ static struct address_space_operations swap_aops = {
        .writepage      = swap_writepage,
        .sync_page      = block_sync_page,
        .set_page_dirty = __set_page_dirty_nobuffers,
+       .migratepage    = migrate_page,
 };
 
 static struct backing_dev_info swap_backing_dev_info = {
@@ -140,7 +142,7 @@ void __delete_from_swap_cache(struct page *page)
  * Allocate swap space for the page and add the page to the
  * swap cache.  Caller needs to hold the page lock. 
  */
-int add_to_swap(struct page * page)
+int add_to_swap(struct page * page, gfp_t gfp_mask)
 {
        swp_entry_t entry;
        int err;
@@ -165,7 +167,7 @@ int add_to_swap(struct page * page)
                 * Add it to the swap cache and mark it dirty
                 */
                err = __add_to_swap_cache(page, entry,
-                               GFP_ATOMIC|__GFP_NOMEMALLOC|__GFP_NOWARN);
+                               gfp_mask|__GFP_NOMEMALLOC|__GFP_NOWARN);
 
                switch (err) {
                case 0:                         /* Success */
@@ -272,12 +274,11 @@ void free_page_and_swap_cache(struct page *page)
  */
 void free_pages_and_swap_cache(struct page **pages, int nr)
 {
-       int chunk = 16;
        struct page **pagep = pages;
 
        lru_add_drain();
        while (nr) {
-               int todo = min(chunk, nr);
+               int todo = min(nr, PAGEVEC_SIZE);
                int i;
 
                for (i = 0; i < todo; i++)