From 535443f51543df61111bbd234300ae549d220448 Mon Sep 17 00:00:00 2001 From: Fengguang Wu Date: Tue, 16 Oct 2007 01:24:36 -0700 Subject: readahead: remove several readahead macros Remove VM_MAX_CACHE_HIT, MAX_RA_PAGES and MIN_RA_PAGES. Signed-off-by: Fengguang Wu Cc: Rusty Russell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/readahead.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'mm/readahead.c') diff --git a/mm/readahead.c b/mm/readahead.c index fd588ffc508..fc52f9f1b80 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -22,16 +22,8 @@ void default_unplug_io_fn(struct backing_dev_info *bdi, struct page *page) } EXPORT_SYMBOL(default_unplug_io_fn); -/* - * Convienent macros for min/max read-ahead pages. - * Note that MAX_RA_PAGES is rounded down, while MIN_RA_PAGES is rounded up. - * The latter is necessary for systems with large page size(i.e. 64k). - */ -#define MAX_RA_PAGES (VM_MAX_READAHEAD*1024 / PAGE_CACHE_SIZE) -#define MIN_RA_PAGES DIV_ROUND_UP(VM_MIN_READAHEAD*1024, PAGE_CACHE_SIZE) - struct backing_dev_info default_backing_dev_info = { - .ra_pages = MAX_RA_PAGES, + .ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE, .state = 0, .capabilities = BDI_CAP_MAP_COPY, .unplug_io_fn = default_unplug_io_fn, -- cgit v1.2.3