kill do_generic_mapping_read

[linux-2.6.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index 35867ab72640ad17646f123b3d100aa11dbd487d..b7b1be6dbd83840ce287b515e0f1fab422acba7a 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -460,7 +460,8 @@ int filemap_write_and_wait_range(struct address_space *mapping,
 int add_to_page_cache(struct page *page, struct address_space *mapping,
                pgoff_t offset, gfp_t gfp_mask)
 {
-       int error = mem_cgroup_cache_charge(page, current->mm, gfp_mask);
+       int error = mem_cgroup_cache_charge(page, current->mm,
+                                       gfp_mask & ~__GFP_HIGHMEM);
        if (error)
                goto out;
 
@@ -874,9 +875,7 @@ static void shrink_readahead_size_eio(struct file *filp,
 }
 
 /**
- * do_generic_mapping_read - generic file read routine
- * @mapping:   address_space to be read
- * @ra:                file's readahead state
+ * do_generic_file_read - generic file read routine
  * @filp:      the file to read
  * @ppos:      current file position
  * @desc:      read_descriptor
@@ -887,18 +886,13 @@ static void shrink_readahead_size_eio(struct file *filp,
  *
  * This is really ugly. But the goto's actually try to clarify some
  * of the logic when it comes to error handling etc.
- *
- * Note the struct file* is only passed for the use of readpage.
- * It may be NULL.
  */
-void do_generic_mapping_read(struct address_space *mapping,
-                            struct file_ra_state *ra,
-                            struct file *filp,
-                            loff_t *ppos,
-                            read_descriptor_t *desc,
-                            read_actor_t actor)
+static void do_generic_file_read(struct file *filp, loff_t *ppos,
+               read_descriptor_t *desc, read_actor_t actor)
 {
+       struct address_space *mapping = filp->f_mapping;
        struct inode *inode = mapping->host;
+       struct file_ra_state *ra = &filp->f_ra;
        pgoff_t index;
        pgoff_t last_index;
        pgoff_t prev_index;
@@ -1090,7 +1084,6 @@ out:
        if (filp)
                file_accessed(filp);
 }
-EXPORT_SYMBOL(do_generic_mapping_read);
 
 int file_read_actor(read_descriptor_t *desc, struct page *page,
                        unsigned long offset, unsigned long size)
@@ -1331,7 +1324,7 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
        struct file_ra_state *ra = &file->f_ra;
        struct inode *inode = mapping->host;
        struct page *page;
-       unsigned long size;
+       pgoff_t size;
        int did_readaround = 0;
        int ret = 0;