Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932634AbVLOAPw (ORCPT ); Wed, 14 Dec 2005 19:15:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932640AbVLOAPj (ORCPT ); Wed, 14 Dec 2005 19:15:39 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:49033 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S932642AbVLOAPZ (ORCPT ); Wed, 14 Dec 2005 19:15:25 -0500 Date: Wed, 14 Dec 2005 16:15:17 -0800 (PST) From: Christoph Lameter To: linux-kernel@vger.kernel.org Cc: akpm@osdl.org, Hugh Dickins , Nick Piggin , linux-mm@kvack.org, Andi Kleen , Marcelo Tosatti , Christoph Lameter Message-Id: <20051215001517.31405.23468.sendpatchset@schroedinger.engr.sgi.com> In-Reply-To: <20051215001415.31405.24898.sendpatchset@schroedinger.engr.sgi.com> References: <20051215001415.31405.24898.sendpatchset@schroedinger.engr.sgi.com> Subject: [RFC3 12/14] Convert nr_unstable Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5408 Lines: 132 Per zone unstable pages Signed-off-by: Christoph Lameter Index: linux-2.6.15-rc5-mm2/mm/swap_prefetch.c =================================================================== --- linux-2.6.15-rc5-mm2.orig/mm/swap_prefetch.c 2005-12-14 15:35:38.000000000 -0800 +++ linux-2.6.15-rc5-mm2/mm/swap_prefetch.c 2005-12-14 15:37:43.000000000 -0800 @@ -319,7 +319,7 @@ static int prefetch_suitable(void) goto out; /* Delay prefetching if we have significant amounts of dirty data */ - pending_writes = global_page_state(NR_DIRTY) + ps.nr_unstable; + pending_writes = global_page_state(NR_DIRTY) + global_page_state(NR_UNSTABLE); if (pending_writes > SWAP_CLUSTER_MAX) goto out; Index: linux-2.6.15-rc5-mm2/fs/fs-writeback.c =================================================================== --- linux-2.6.15-rc5-mm2.orig/fs/fs-writeback.c 2005-12-14 15:34:57.000000000 -0800 +++ linux-2.6.15-rc5-mm2/fs/fs-writeback.c 2005-12-14 15:37:43.000000000 -0800 @@ -471,7 +471,7 @@ void sync_inodes_sb(struct super_block * .sync_mode = wait ? WB_SYNC_ALL : WB_SYNC_HOLD, }; unsigned long nr_dirty = global_page_state(NR_DIRTY); - unsigned long nr_unstable = read_page_state(nr_unstable); + unsigned long nr_unstable = global_page_state(NR_UNSTABLE); wbc.nr_to_write = nr_dirty + nr_unstable + (inodes_stat.nr_inodes - inodes_stat.nr_unused) + Index: linux-2.6.15-rc5-mm2/mm/page_alloc.c =================================================================== --- linux-2.6.15-rc5-mm2.orig/mm/page_alloc.c 2005-12-14 15:37:34.000000000 -0800 +++ linux-2.6.15-rc5-mm2/mm/page_alloc.c 2005-12-14 15:37:54.000000000 -0800 @@ -597,7 +597,8 @@ static int rmqueue_bulk(struct zone *zon } char *stat_item_descr[NR_STAT_ITEMS] = { - "mapped","pagecache", "slab", "pagetable", "dirty", "writeback" + "mapped","pagecache", "slab", "pagetable", "dirty", "writeback", + "unstable" }; /* @@ -1781,7 +1782,7 @@ void show_free_areas(void) inactive, global_page_state(NR_DIRTY), global_page_state(NR_WRITEBACK), - ps.nr_unstable, + global_page_state(NR_UNSTABLE), nr_free_pages(), global_page_state(NR_SLAB), global_page_state(NR_MAPPED), Index: linux-2.6.15-rc5-mm2/fs/nfs/write.c =================================================================== --- linux-2.6.15-rc5-mm2.orig/fs/nfs/write.c 2005-12-14 15:34:57.000000000 -0800 +++ linux-2.6.15-rc5-mm2/fs/nfs/write.c 2005-12-14 15:37:43.000000000 -0800 @@ -474,7 +474,7 @@ nfs_mark_request_commit(struct nfs_page nfs_list_add_request(req, &nfsi->commit); nfsi->ncommit++; spin_unlock(&nfsi->req_lock); - inc_page_state(nr_unstable); + inc_zone_page_state(req->wb_page, NR_UNSTABLE); mark_inode_dirty(inode); } #endif @@ -1272,7 +1272,6 @@ void nfs_commit_done(struct rpc_task *ta { struct nfs_write_data *data = calldata; struct nfs_page *req; - int res = 0; dprintk("NFS: %4d nfs_commit_done (status %d)\n", task->tk_pid, task->tk_status); @@ -1306,9 +1305,8 @@ void nfs_commit_done(struct rpc_task *ta nfs_mark_request_dirty(req); next: nfs_clear_page_writeback(req); - res++; + dec_zone_page_state(req->wb_page, NR_UNSTABLE); } - sub_page_state(nr_unstable,res); } #endif Index: linux-2.6.15-rc5-mm2/include/linux/page-flags.h =================================================================== --- linux-2.6.15-rc5-mm2.orig/include/linux/page-flags.h 2005-12-14 15:35:38.000000000 -0800 +++ linux-2.6.15-rc5-mm2/include/linux/page-flags.h 2005-12-14 15:37:43.000000000 -0800 @@ -82,8 +82,7 @@ * allowed. */ struct page_state { - unsigned long nr_unstable; /* NFS unstable pages */ -#define GET_PAGE_STATE_LAST nr_unstable +#define GET_PAGE_STATE_LAST xxx /* * The below are zeroed by get_page_state(). Use get_full_page_state() Index: linux-2.6.15-rc5-mm2/mm/page-writeback.c =================================================================== --- linux-2.6.15-rc5-mm2.orig/mm/page-writeback.c 2005-12-14 15:35:38.000000000 -0800 +++ linux-2.6.15-rc5-mm2/mm/page-writeback.c 2005-12-14 15:37:43.000000000 -0800 @@ -110,7 +110,7 @@ struct writeback_state static void get_writeback_state(struct writeback_state *wbs) { wbs->nr_dirty = global_page_state(NR_DIRTY); - wbs->nr_unstable = read_page_state(nr_unstable); + wbs->nr_unstable = global_page_state(NR_UNSTABLE); wbs->nr_mapped = global_page_state(NR_MAPPED); wbs->nr_writeback = global_page_state(NR_WRITEBACK); } Index: linux-2.6.15-rc5-mm2/include/linux/mmzone.h =================================================================== --- linux-2.6.15-rc5-mm2.orig/include/linux/mmzone.h 2005-12-14 15:35:38.000000000 -0800 +++ linux-2.6.15-rc5-mm2/include/linux/mmzone.h 2005-12-14 15:37:43.000000000 -0800 @@ -44,8 +44,8 @@ struct zone_padding { #define ZONE_PADDING(name) #endif -enum zone_stat_item { NR_MAPPED, NR_PAGECACHE, NR_SLAB, NR_PAGETABLE, NR_DIRTY, NR_WRITEBACK }; -#define NR_STAT_ITEMS 6 +enum zone_stat_item { NR_MAPPED, NR_PAGECACHE, NR_SLAB, NR_PAGETABLE, NR_DIRTY, NR_WRITEBACK, NR_UNSTABLE }; +#define NR_STAT_ITEMS 7 struct per_cpu_pages { int count; /* number of pages in the list */ - 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/