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SubjectRe: [patch 05/21] define page_file_cache() function
Hi

> Index: linux-2.6.25-rc2-mm1/mm/swap_state.c
> ===================================================================
> --- linux-2.6.25-rc2-mm1.orig/mm/swap_state.c 2008-02-19 16:23:09.000000000 -0500
> +++ linux-2.6.25-rc2-mm1/mm/swap_state.c 2008-02-27 14:36:57.000000000 -0500
> @@ -82,6 +82,7 @@ int add_to_swap_cache(struct page *page,
> if (!error) {
> page_cache_get(page);
> SetPageSwapCache(page);
> + SetPageSwapBacked(page);
> set_page_private(page, entry.val);
> total_swapcache_pages++;
> __inc_zone_page_state(page, NR_FILE_PAGES);

hmm,
What do you think NR_FILE_PAGES counted?
SetPageSwapBacked() and increase NR_FILE_PAGES is a bit strange.

but I am worried now.
because if change it, make a incompatibility... ;)


- kosaki




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