Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=535443f51543df61111bbd234300ae549d220448
Commit: 535443f51543df61111bbd234300ae549d220448
Parent: 7ff81078d8b9f3d05a27b7bd3786ffb1ef1b0d1f
Author: Fengguang Wu <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 01:24:36 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 09:42:52 2007 -0700
readahead: remove several readahead macros
Remove VM_MAX_CACHE_HIT, MAX_RA_PAGES and MIN_RA_PAGES.
Signed-off-by: Fengguang Wu <[EMAIL PROTECTED]>
Cc: Rusty Russell <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
include/linux/mm.h | 2 --
mm/readahead.c | 10 +---------
2 files changed, 1 insertions(+), 11 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fbff8e4..291c4cc 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -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);
diff --git a/mm/readahead.c b/mm/readahead.c
index fd588ff..fc52f9f 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,
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
