The patch titled
zoned vm counters: conversion of nr_pagetables to per zone counter
has been added to the -mm tree. Its filename is
zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: zoned vm counters: conversion of nr_pagetables to per zone counter
From: Christoph Lameter <clameter@xxxxxxx>
Conversion of nr_page_table_pages to a per zone counter
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/arm/mm/mm-armv.c | 2 +-
arch/i386/mm/pgtable.c | 3 ++-
arch/um/kernel/skas/mmu.c | 2 +-
drivers/base/node.c | 2 ++
fs/proc/proc_misc.c | 4 ++--
include/linux/mmzone.h | 1 +
mm/memory.c | 4 ++--
mm/page_alloc.c | 2 +-
mm/vmstat.c | 2 +-
9 files changed, 13 insertions(+), 9 deletions(-)
diff -puN arch/arm/mm/mm-armv.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter arch/arm/mm/mm-armv.c
--- a/arch/arm/mm/mm-armv.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/arch/arm/mm/mm-armv.c
@@ -227,7 +227,7 @@ void free_pgd_slow(pgd_t *pgd)
pte = pmd_page(*pmd);
pmd_clear(pmd);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE);
pte_lock_deinit(pte);
pte_free(pte);
pmd_free(pmd);
diff -puN arch/i386/mm/pgtable.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter arch/i386/mm/pgtable.c
--- a/arch/i386/mm/pgtable.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/arch/i386/mm/pgtable.c
@@ -63,7 +63,8 @@ void show_mem(void)
printk(KERN_INFO "%lu pages writeback\n", ps.nr_writeback);
printk(KERN_INFO "%lu pages mapped\n", global_page_state(NR_FILE_MAPPED));
printk(KERN_INFO "%lu pages slab\n", global_page_state(NR_SLAB));
- printk(KERN_INFO "%lu pages pagetables\n", ps.nr_page_table_pages);
+ printk(KERN_INFO "%lu pages pagetables\n",
+ global_page_state(NR_PAGETABLE));
}
/*
diff -puN arch/um/kernel/skas/mmu.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter arch/um/kernel/skas/mmu.c
--- a/arch/um/kernel/skas/mmu.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/arch/um/kernel/skas/mmu.c
@@ -152,7 +152,7 @@ void destroy_context_skas(struct mm_stru
free_page(mmu->id.stack);
pte_lock_deinit(virt_to_page(mmu->last_page_table));
pte_free_kernel((pte_t *) mmu->last_page_table);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(virt_to_page(mmu->last_page_table), NR_PAGETABLE);
#ifdef CONFIG_3_LEVEL_PGTABLES
pmd_free((pmd_t *) mmu->last_pmd);
#endif
diff -puN drivers/base/node.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter drivers/base/node.c
--- a/drivers/base/node.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/drivers/base/node.c
@@ -70,6 +70,7 @@ static ssize_t node_read_meminfo(struct
"Node %d FilePages: %8lu kB\n"
"Node %d Mapped: %8lu kB\n"
"Node %d AnonPages: %8lu kB\n"
+ "Node %d PageTables: %8lu kB\n"
"Node %d Slab: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
@@ -85,6 +86,7 @@ static ssize_t node_read_meminfo(struct
nid, K(node_page_state(nid, NR_FILE_PAGES)),
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_SLAB)));
n += hugetlb_report_node_meminfo(nid, buf + n);
return n;
diff -puN fs/proc/proc_misc.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter fs/proc/proc_misc.c
--- a/fs/proc/proc_misc.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/fs/proc/proc_misc.c
@@ -171,9 +171,9 @@ static int meminfo_read_proc(char *page,
"AnonPages: %8lu kB\n"
"Mapped: %8lu kB\n"
"Slab: %8lu kB\n"
+ "PageTables: %8lu kB\n"
"CommitLimit: %8lu kB\n"
"Committed_AS: %8lu kB\n"
- "PageTables: %8lu kB\n"
"VmallocTotal: %8lu kB\n"
"VmallocUsed: %8lu kB\n"
"VmallocChunk: %8lu kB\n",
@@ -195,9 +195,9 @@ static int meminfo_read_proc(char *page,
K(global_page_state(NR_ANON_PAGES)),
K(global_page_state(NR_FILE_MAPPED)),
K(global_page_state(NR_SLAB)),
+ K(global_page_state(NR_PAGETABLE)),
K(allowed),
K(committed),
- K(ps.nr_page_table_pages),
(unsigned long)VMALLOC_TOTAL >> 10,
vmi.used >> 10,
vmi.largest_chunk >> 10
diff -puN include/linux/mmzone.h~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter include/linux/mmzone.h
--- a/include/linux/mmzone.h~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/include/linux/mmzone.h
@@ -52,6 +52,7 @@ enum zone_stat_item {
only modified from process context */
NR_FILE_PAGES,
NR_SLAB, /* Pages used by slab allocator */
+ NR_PAGETABLE, /* used for pagetables */
NR_VM_ZONE_STAT_ITEMS };
struct per_cpu_pages {
diff -puN mm/memory.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter mm/memory.c
--- a/mm/memory.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/mm/memory.c
@@ -127,7 +127,7 @@ static void free_pte_range(struct mmu_ga
pmd_clear(pmd);
pte_lock_deinit(page);
pte_free_tlb(tlb, page);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(page, NR_PAGETABLE);
tlb->mm->nr_ptes--;
}
@@ -312,7 +312,7 @@ int __pte_alloc(struct mm_struct *mm, pm
pte_free(new);
} else {
mm->nr_ptes++;
- inc_page_state(nr_page_table_pages);
+ inc_zone_page_state(new, NR_PAGETABLE);
pmd_populate(mm, pmd, new);
}
spin_unlock(&mm->page_table_lock);
diff -puN mm/page_alloc.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter mm/page_alloc.c
--- a/mm/page_alloc.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/mm/page_alloc.c
@@ -1320,7 +1320,7 @@ void show_free_areas(void)
nr_free_pages(),
global_page_state(NR_SLAB),
global_page_state(NR_FILE_MAPPED),
- ps.nr_page_table_pages);
+ global_page_state(NR_PAGETABLE));
for_each_zone(zone) {
int i;
diff -puN mm/vmstat.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter mm/vmstat.c
--- a/mm/vmstat.c~zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter
+++ a/mm/vmstat.c
@@ -461,12 +461,12 @@ static char *vmstat_text[] = {
"nr_mapped",
"nr_file_pages",
"nr_slab",
+ "nr_page_table_pages",
/* Page state */
"nr_dirty",
"nr_writeback",
"nr_unstable",
- "nr_page_table_pages",
"pgpgin",
"pgpgout",
_
Patches currently in -mm which might be from clameter@xxxxxxx are
page-migration-make-do_swap_page-redo-the-fault.patch
slab-extract-cache_free_alien-from-__cache_free.patch
migration-remove-unnecessary-pageswapcache-checks.patch
page-migration-cleanup-rename-ignrefs-to-migration.patch
page-migration-cleanup-group-functions.patch
page-migration-cleanup-remove-useless-definitions.patch
page-migration-cleanup-drop-nr_refs-in-remove_references.patch
page-migration-cleanup-extract-try_to_unmap-from-migration-functions.patch
page-migration-cleanup-pass-mapping-to-migration-functions.patch
page-migration-cleanup-move-fallback-handling-into-special-function.patch
swapless-pm-add-r-w-migration-entries.patch
swapless-page-migration-rip-out-swap-based-logic.patch
swapless-page-migration-modify-core-logic.patch
more-page-migration-do-not-inc-dec-rss-counters.patch
more-page-migration-use-migration-entries-for-file-pages.patch
page-migration-update-documentation.patch
mm-remove-vm_locked-before-remap_pfn_range-and-drop-vm_shm.patch
page-migration-simplify-migrate_pages.patch
page-migration-handle-freeing-of-pages-in-migrate_pages.patch
page-migration-use-allocator-function-for-migrate_pages.patch
page-migration-support-moving-of-individual-pages.patch
page-migration-support-moving-of-individual-pages-x86_64-support.patch
page-migration-support-moving-of-individual-pages-x86-support.patch
page-migration-support-a-vma-migration-function.patch
allow-migration-of-mlocked-pages.patch
mm-remove-some-update_mmu_cache-calls.patch
zoned-vm-counters-create-vmstatc-h-from-page_allocc-h.patch
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation.patch
zoned-vm-counters-basic-zvc-zoned-vm-counter-implementation-tidy.patch
zoned-vm-counters-convert-nr_mapped-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_pagecache-to-per-zone-counter.patch
zoned-vm-counters-remove-nr_file_mapped-from-scan-control-structure.patch
zoned-vm-counters-remove-nr_file_mapped-from-scan-control-structure-fix.patch
zoned-vm-counters-split-nr_anon_pages-off-from-nr_file_mapped.patch
zoned-vm-counters-zone_reclaim-remove-proc-sys-vm-zone_reclaim_interval.patch
zoned-vm-counters-conversion-of-nr_slab-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_pagetables-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_dirty-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_writeback-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_unstable-to-per-zone-counter.patch
zoned-vm-counters-conversion-of-nr_bounce-to-per-zone-counter.patch
zoned-vm-counters-remove-useless-struct-wbs.patch
selinux-add-task_movememory-hook.patch
selinux-add-security_task_movememory-calls-to-mm-code.patch
cpuset-remove-extra-cpuset_zone_allowed-check-in-__alloc_pages.patch
corrections-to-memory-barrier-doc.patch
-
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