Shrinks my vmlinux by an astonishing 28k.
text data bss dec hex filename
3038796 589890 150612 3779298 39aae2 vmlinux.before
3009761 590107 150612 3750480 393a50 vmlinux.after
---
25-akpm/include/linux/mm.h | 17 +----------------
25-akpm/mm/swap.c | 21 +++++++++++++++++++++
2 files changed, 22 insertions(+), 16 deletions(-)
diff -puN include/linux/mm.h~uninline-put_page include/linux/mm.h
--- 25/include/linux/mm.h~uninline-put_page 2004-04-11 15:50:59.450637392 -0700
+++ 25-akpm/include/linux/mm.h 2004-04-11 15:50:59.455636632 -0700
@@ -269,22 +269,7 @@ static inline void get_page(struct page
atomic_inc(&page->count);
}
-static inline void put_page(struct page *page)
-{
- if (unlikely(PageCompound(page))) {
- page = (struct page *)page->private;
- if (put_page_testzero(page)) {
- if (page[1].mapping) { /* destructor? */
- (*(void (*)(struct page *))page[1].mapping)(page);
- } else {
- __page_cache_release(page);
- }
- }
- return;
- }
- if (!PageReserved(page) && put_page_testzero(page))
- __page_cache_release(page);
-}
+void put_page(struct page *page);
#else /* CONFIG_HUGETLB_PAGE */
diff -puN mm/swap.c~uninline-put_page mm/swap.c
--- 25/mm/swap.c~uninline-put_page 2004-04-11 15:50:59.451637240 -0700
+++ 25-akpm/mm/swap.c 2004-04-11 15:50:59.456636480 -0700
@@ -34,6 +34,27 @@
/* How many pages do we try to swap or page in/out together? */
int page_cluster;
+#ifdef CONFIG_HUGETLB_PAGE
+
+void put_page(struct page *page)
+{
+ if (unlikely(PageCompound(page))) {
+ page = (struct page *)page->private;
+ if (put_page_testzero(page)) {
+ if (page[1].mapping) { /* destructor? */
+ (*(void (*)(struct page *))page[1].mapping)(page);
+ } else {
+ __page_cache_release(page);
+ }
+ }
+ return;
+ }
+ if (!PageReserved(page) && put_page_testzero(page))
+ __page_cache_release(page);
+}
+EXPORT_SYMBOL(put_page);
+#endif
+
/*
* Writeback is about to end against a page which has been marked for immediate
* reclaim. If it still appears to be reclaimable, move it to the tail of the
_