Raised #endif CONFIG_SWAP in shrink_list, it was excluding
try_to_unmap of file pages. Suspect !CONFIG_MMU relied on
that to suppress try_to_unmap, added SWAP_FAIL stub for it.
--- swap01/include/linux/swap.h Tue Mar 25 20:42:56 2003
+++ swap02/include/linux/swap.h Tue Mar 25 20:43:07 2003
@@ -175,19 +175,18 @@
void FASTCALL(page_remove_rmap(struct page *, pte_t *));
int FASTCALL(try_to_unmap(struct page *));
-/* return values of try_to_unmap */
-#define SWAP_SUCCESS 0
-#define SWAP_AGAIN 1
-#define SWAP_FAIL 2
-
/* linux/mm/shmem.c */
extern int shmem_unuse(swp_entry_t entry, struct page *page);
-
#else
-#define page_referenced(page) \
- TestClearPageReferenced(page)
+#define page_referenced(page) TestClearPageReferenced(page)
+#define try_to_unmap(page) SWAP_FAIL
#endif /* CONFIG_MMU */
+/* return values of try_to_unmap */
+#define SWAP_SUCCESS 0
+#define SWAP_AGAIN 1
+#define SWAP_FAIL 2
+
#ifdef CONFIG_SWAP
/* linux/mm/page_io.c */
extern int swap_readpage(struct file *, struct page *);
--- swap01/mm/vmscan.c Tue Mar 25 20:42:56 2003
+++ swap02/mm/vmscan.c Tue Mar 25 20:43:07 2003
@@ -277,6 +277,7 @@
pte_chain_lock(page);
mapping = page->mapping;
}
+#endif /* CONFIG_SWAP */
/*
* The page is mapped into the page tables of one or more
@@ -294,7 +295,6 @@
; /* try to free the page below */
}
}
-#endif /* CONFIG_SWAP */
pte_chain_unlock(page);
/*
-
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This archive was generated by hypermail 2b29 : Mon Mar 31 2003 - 22:00:21 EST