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authorChris Metcalf <cmetcalf@tilera.com>2010-07-02 21:41:14 +0400
committerChris Metcalf <cmetcalf@tilera.com>2010-07-06 21:33:54 +0400
commitde5d9bf6541736dc7ad264d2b5cc99bc1b2ad958 (patch)
treeb81702527a1b00440d8ae28b858dff93b930c0e6 /include/linux/list.h
parentb51cae21ee66f77a368428e6bdf75a0c012c9fd7 (diff)
downloadlinux-de5d9bf6541736dc7ad264d2b5cc99bc1b2ad958.tar.xz
Move list types from <linux/list.h> to <linux/types.h>.
This allows a list_head (or hlist_head, etc.) to be used from places that used to be impractical, in particular <asm/processor.h>, which used to cause include file recursion: <linux/list.h> includes <linux/prefetch.h>, which always includes <asm/processor.h> for the prefetch macros, as well as <asm/system.h>, which often includes <asm/processor.h> directly or indirectly. This avoids a lot of painful workaround hackery on the tile architecture, where we use a list_head in the thread_struct to chain together tasks that are activated on a particular hardwall. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Diffstat (limited to 'include/linux/list.h')
-rw-r--r--include/linux/list.h13
1 files changed, 1 insertions, 12 deletions
diff --git a/include/linux/list.h b/include/linux/list.h
index 8392884a2977..bc43e8a0d7f6 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -1,6 +1,7 @@
#ifndef _LINUX_LIST_H
#define _LINUX_LIST_H
+#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/poison.h>
#include <linux/prefetch.h>
@@ -16,10 +17,6 @@
* using the generic single-entry routines.
*/
-struct list_head {
- struct list_head *next, *prev;
-};
-
#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) \
@@ -551,14 +548,6 @@ static inline void list_splice_tail_init(struct list_head *list,
* You lose the ability to access the tail in O(1).
*/
-struct hlist_head {
- struct hlist_node *first;
-};
-
-struct hlist_node {
- struct hlist_node *next, **pprev;
-};
-
#define HLIST_HEAD_INIT { .first = NULL }
#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)