readahead: remove several readahead macros
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / mm.h
index fbff8e481cc44318acb8036e61cbe58dc82f935c..291c4cc06ea77f1b76503a310562fcc3f3f3de45 100644 (file)
@@ -1106,8 +1106,6 @@ int write_one_page(struct page *page, int wait);
 /* readahead.c */
 #define VM_MAX_READAHEAD       128     /* kbytes */
 #define VM_MIN_READAHEAD       16      /* kbytes (includes current page) */
-#define VM_MAX_CACHE_HIT       256     /* max pages in a row in cache before
-                                        * turning readahead off */
 
 int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
                        pgoff_t offset, unsigned long nr_to_read);