Riel convinced be to back off a part of the patch.
Here comes an updated one.
-- Roger Larsson Skellefteċ Sweden******************************************* Patch prepared by: roger.larsson@norran.net Name of file: linux-2.4.8-pre3-pages_min-R3
--- linux/mm/page_alloc.c.orig Thu Aug 23 19:58:55 2001 +++ linux/mm/page_alloc.c Thu Aug 23 21:19:20 2001 @@ -253,11 +253,26 @@
if (z->free_pages + z->inactive_clean_pages >= water_mark) { struct page *page = NULL; - /* If possible, reclaim a page directly. */ - if (direct_reclaim) + + /* + * Reclaim a page from the inactive_clean list. + * If needed, refill the free list up to the + * low water mark. + */ + if (direct_reclaim) { page = reclaim_page(z); - /* If that fails, fall back to rmqueue. */ - if (!page) + + while (page && z->free_pages < z->pages_min) { + __free_page(page); + page = reclaim_page(z); + } + + /* let kreclaimd handle up to pages_high */ + } + /* If that fails, fall back to rmqueue, but never let + * free_pages go below pages_min... + */ + if (!page && z->free_pages >= z->pages_min) page = rmqueue(z, order); if (page) return page; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu Aug 23 2001 - 21:01:01 EST