diff --git a/drivers/base/node.c b/drivers/base/node.c index a7b3dcbbdfc9a6e909afbd17c535a1dabb01aece..b73d869c9d48e97b130cf35251175c94fc50e3f6 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -40,13 +40,11 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf) int n; int nid = dev->id; struct sysinfo i; - struct page_state ps; unsigned long inactive; unsigned long active; unsigned long free; si_meminfo_node(&i, nid); - get_page_state_node(&ps, nid); __get_zone_counts(&active, &inactive, &free, NODE_DATA(nid)); @@ -66,6 +64,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf) "Node %d Mapped: %8lu kB\n" "Node %d AnonPages: %8lu kB\n" "Node %d PageTables: %8lu kB\n" + "Node %d NFS Unstable: %8lu kB\n" "Node %d Slab: %8lu kB\n", nid, K(i.totalram), nid, K(i.freeram), @@ -82,6 +81,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf) nid, K(node_page_state(nid, NR_FILE_MAPPED)), nid, K(node_page_state(nid, NR_ANON_PAGES)), nid, K(node_page_state(nid, NR_PAGETABLE)), + nid, K(node_page_state(nid, NR_UNSTABLE_NFS)), nid, K(node_page_state(nid, NR_SLAB))); n += hugetlb_report_node_meminfo(nid, buf + n); return n; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index e5ad1075684894b901c1799bcf29ffc90ce4465f..892643dc9af10a1a6fbf7c858fd430ab209a5724 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -465,7 +465,7 @@ void sync_inodes_sb(struct super_block *sb, int wait) .range_end = LLONG_MAX, }; unsigned long nr_dirty = global_page_state(NR_FILE_DIRTY); - unsigned long nr_unstable = read_page_state(nr_unstable); + unsigned long nr_unstable = global_page_state(NR_UNSTABLE_NFS); wbc.nr_to_write = nr_dirty + nr_unstable + (inodes_stat.nr_inodes - inodes_stat.nr_unused) + diff --git a/fs/nfs/write.c b/fs/nfs/write.c index a6d1ca513ddeb3b8b53736727240eb0fa576bc91..f21e268705c0998c48c4ae4adfeae0c0efbf146d 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -525,7 +525,7 @@ nfs_mark_request_commit(struct nfs_page *req) 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_NFS); mark_inode_dirty(inode); } #endif @@ -1393,7 +1393,6 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) { 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); @@ -1405,6 +1404,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) while (!list_empty(&data->pages)) { req = nfs_list_entry(data->pages.next); nfs_list_remove_request(req); + dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); dprintk("NFS: commit (%s/%Ld %d@%Ld)", req->wb_context->dentry->d_inode->i_sb->s_id, @@ -1431,9 +1431,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) nfs_mark_request_dirty(req); next: nfs_clear_page_writeback(req); - res++; } - sub_page_state(nr_unstable,res); } static const struct rpc_call_ops nfs_commit_ops = { diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 48cb35862445be22ca9e8698f423c68af88649b2..eae66b41a1a47eea6b6485a1c620f79ae27cb1f7 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -120,7 +120,6 @@ static int meminfo_read_proc(char *page, char **start, off_t off, { struct sysinfo i; int len; - struct page_state ps; unsigned long inactive; unsigned long active; unsigned long free; @@ -129,7 +128,6 @@ static int meminfo_read_proc(char *page, char **start, off_t off, struct vmalloc_info vmi; long cached; - get_page_state(&ps); get_zone_counts(&active, &inactive, &free); /* @@ -172,6 +170,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off, "Mapped: %8lu kB\n" "Slab: %8lu kB\n" "PageTables: %8lu kB\n" + "NFS Unstable: %8lu kB\n" "CommitLimit: %8lu kB\n" "Committed_AS: %8lu kB\n" "VmallocTotal: %8lu kB\n" @@ -196,6 +195,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off, K(global_page_state(NR_FILE_MAPPED)), K(global_page_state(NR_SLAB)), K(global_page_state(NR_PAGETABLE)), + K(global_page_state(NR_UNSTABLE_NFS)), K(allowed), K(committed), (unsigned long)VMALLOC_TOTAL >> 10, diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 885cc9727001cc93c692fd039de81c2b0c126b82..e9d80697f5552d71775fc66328c8f3bb574a8d08 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -55,6 +55,7 @@ enum zone_stat_item { NR_PAGETABLE, /* used for pagetables */ NR_FILE_DIRTY, NR_WRITEBACK, + NR_UNSTABLE_NFS, /* NFS unstable pages */ NR_VM_ZONE_STAT_ITEMS }; struct per_cpu_pages { diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 60c2e0382ceb2fa96ec05d5eda11807062a5c82a..9de2a41c885cbcd78c60c6f5a33de9353e7c2e39 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -22,13 +22,6 @@ * commented here. */ struct page_state { - unsigned long nr_unstable; /* NFS unstable pages */ -#define GET_PAGE_STATE_LAST nr_unstable - - /* - * The below are zeroed by get_page_state(). Use get_full_page_state() - * to add up all these. - */ unsigned long pgpgin; /* Disk reads */ unsigned long pgpgout; /* Disk writes */ unsigned long pswpin; /* swap reads */ @@ -77,8 +70,6 @@ struct page_state { unsigned long nr_bounce; /* pages for bounce buffers */ }; -extern void get_page_state(struct page_state *ret); -extern void get_page_state_node(struct page_state *ret, int node); extern void get_full_page_state(struct page_state *ret); extern unsigned long read_page_state_offset(unsigned long offset); extern void mod_page_state_offset(unsigned long offset, unsigned long delta); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 3cfdff4b1985fed98bc1b0f9c7f9df4c899a0b3e..de9836f43db5e82a6a9ca30418dbcd94219f8f44 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -110,7 +110,7 @@ struct writeback_state static void get_writeback_state(struct writeback_state *wbs) { wbs->nr_dirty = global_page_state(NR_FILE_DIRTY); - wbs->nr_unstable = read_page_state(nr_unstable); + wbs->nr_unstable = global_page_state(NR_UNSTABLE_NFS); wbs->nr_mapped = global_page_state(NR_FILE_MAPPED) + global_page_state(NR_ANON_PAGES); wbs->nr_writeback = global_page_state(NR_WRITEBACK); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a12e894a8bca83e2d13e06fc50ce22c86180350b..6aa2c31f513bc8d8448ed293fe3b2affe6bc1a86 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1271,7 +1271,6 @@ void si_meminfo_node(struct sysinfo *val, int nid) */ void show_free_areas(void) { - struct page_state ps; int cpu, temperature; unsigned long active; unsigned long inactive; @@ -1303,7 +1302,6 @@ void show_free_areas(void) } } - get_page_state(&ps); get_zone_counts(&active, &inactive, &free); printk("Free pages: %11ukB (%ukB HighMem)\n", @@ -1316,7 +1314,7 @@ void show_free_areas(void) inactive, global_page_state(NR_FILE_DIRTY), global_page_state(NR_WRITEBACK), - ps.nr_unstable, + global_page_state(NR_UNSTABLE_NFS), nr_free_pages(), global_page_state(NR_SLAB), global_page_state(NR_FILE_MAPPED), diff --git a/mm/vmstat.c b/mm/vmstat.c index e84c7e520a1dca3f63108d2770ede0d4e469bfe2..9dc270aed5c44acfae87b916173474fc5950e034 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -45,28 +45,6 @@ static void __get_page_state(struct page_state *ret, int nr, cpumask_t *cpumask) } } -void get_page_state_node(struct page_state *ret, int node) -{ - int nr; - cpumask_t mask = node_to_cpumask(node); - - nr = offsetof(struct page_state, GET_PAGE_STATE_LAST); - nr /= sizeof(unsigned long); - - __get_page_state(ret, nr+1, &mask); -} - -void get_page_state(struct page_state *ret) -{ - int nr; - cpumask_t mask = CPU_MASK_ALL; - - nr = offsetof(struct page_state, GET_PAGE_STATE_LAST); - nr /= sizeof(unsigned long); - - __get_page_state(ret, nr + 1, &mask); -} - void get_full_page_state(struct page_state *ret) { cpumask_t mask = CPU_MASK_ALL; @@ -402,10 +380,9 @@ static char *vmstat_text[] = { "nr_page_table_pages", "nr_dirty", "nr_writeback", - - /* Page state */ "nr_unstable", + /* Event counters */ "pgpgin", "pgpgout", "pswpin",