The patch titled
Add node to zone for the NUMA case
has been added to the -mm tree. Its filename is
add-node-to-zone-for-the-numa-case.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add node to zone for the NUMA case
From: Christoph Lameter <clameter@xxxxxxx>
Add the node in order to optimize zone_to_nid.
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
Acked-by: Paul Jackson <pj@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/linux/mm.h | 2 +-
include/linux/mmzone.h | 1 +
mm/page_alloc.c | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)
diff -puN include/linux/mm.h~add-node-to-zone-for-the-numa-case include/linux/mm.h
--- a/include/linux/mm.h~add-node-to-zone-for-the-numa-case
+++ a/include/linux/mm.h
@@ -448,7 +448,7 @@ static inline struct zone *page_zone(str
static inline unsigned long zone_to_nid(struct zone *zone)
{
- return zone->zone_pgdat->node_id;
+ return zone->node;
}
static inline unsigned long page_to_nid(struct page *page)
diff -puN include/linux/mmzone.h~add-node-to-zone-for-the-numa-case include/linux/mmzone.h
--- a/include/linux/mmzone.h~add-node-to-zone-for-the-numa-case
+++ a/include/linux/mmzone.h
@@ -168,6 +168,7 @@ struct zone {
unsigned long lowmem_reserve[MAX_NR_ZONES];
#ifdef CONFIG_NUMA
+ int node;
/*
* zone reclaim becomes active if more unmapped pages exist.
*/
diff -puN mm/page_alloc.c~add-node-to-zone-for-the-numa-case mm/page_alloc.c
--- a/mm/page_alloc.c~add-node-to-zone-for-the-numa-case
+++ a/mm/page_alloc.c
@@ -2496,6 +2496,7 @@ static void __meminit free_area_init_cor
zone->spanned_pages = size;
zone->present_pages = realsize;
#ifdef CONFIG_NUMA
+ zone->node = nid;
zone->min_unmapped_pages = (realsize*sysctl_min_unmapped_ratio)
/ 100;
zone->min_slab_pages = (realsize * sysctl_min_slab_ratio) / 100;
_
Patches currently in -mm which might be from clameter@xxxxxxx are
fix-longstanding-load-balancing-bug-in-the-scheduler.patch
cleanup-radix_tree_derefreplace_slot-calling-conventions-warning-fixes.patch
reduce-max_nr_zones-remove-two-strange-uses-of-max_nr_zones.patch
reduce-max_nr_zones-fix-max_nr_zones-array-initializations.patch
reduce-max_nr_zones-make-display-of-highmem-counters-conditional-on-config_highmem.patch
reduce-max_nr_zones-make-display-of-highmem-counters-conditional-on-config_highmem-tidy.patch
reduce-max_nr_zones-move-highmem-counters-into-highmemc-h.patch
reduce-max_nr_zones-move-highmem-counters-into-highmemc-h-fix.patch
reduce-max_nr_zones-page-allocator-zone_highmem-cleanup.patch
reduce-max_nr_zones-use-enum-to-define-zones-reformat-and-comment.patch
reduce-max_nr_zones-use-enum-to-define-zones-reformat-and-comment-cleanup.patch
reduce-max_nr_zones-make-zone_dma32-optional.patch
reduce-max_nr_zones-make-zone_highmem-optional.patch
reduce-max_nr_zones-make-zone_highmem-optional-fix.patch
reduce-max_nr_zones-make-zone_highmem-optional-fix-fix.patch
reduce-max_nr_zones-remove-display-of-counters-for-unconfigured-zones.patch
reduce-max_nr_zones-fix-i386-srat-check-for-max_nr_zones.patch
mempolicies-fix-policy_zone-check.patch
apply-type-enum-zone_type.patch
apply-type-enum-zone_type-fix.patch
linearly-index-zone-node_zonelists.patch
slab-respect-architecture-and-caller-mandated-alignment.patch
slab-optimize-kmalloc_node-the-same-way-as-kmalloc.patch
slab-optimize-kmalloc_node-the-same-way-as-kmalloc-fix.patch
slab-extract-__kmem_cache_destroy-from-kmem_cache_destroy.patch
slab-do-not-panic-when-alloc_kmemlist-fails-and-slab-is-up.patch
add-__gfp_thisnode-to-avoid-fallback-to-other-nodes-and-ignore.patch
add-__gfp_thisnode-to-avoid-fallback-to-other-nodes-and-ignore-fix.patch
sys_move_pages-do-not-fall-back-to-other-nodes.patch
guarantee-that-the-uncached-allocator-gets-pages-on-the-correct.patch
cleanup-add-zone-pointer-to-get_page_from_freelist.patch
profiling-require-buffer-allocation-on-the-correct-node.patch
define-easier-to-handle-gfp_thisnode.patch
optimize-free_one_page.patch
do-not-check-unpopulated-zones-for-draining-and-counter.patch
extract-the-allocpercpu-functions-from-the-slab-allocator.patch
replace-min_unmapped_ratio-by-min_unmapped_pages-in-struct-zone.patch
zvc-support-nr_slab_reclaimable--nr_slab_unreclaimable.patch
zone_reclaim-dynamic-slab-reclaim.patch
zone_reclaim-dynamic-slab-reclaim-tidy.patch
zone-reclaim-with-slab-avoid-unecessary-off-node-allocations.patch
hugepages-use-page_to_nid-rather-than-traversing-zone-pointers.patch
numa-add-zone_to_nid-function.patch
numa-add-zone_to_nid-function-update.patch
slab-fix-kmalloc_node-applying-memory-policies-if-nodeid-==-numa_node_id.patch
add-numa_build-definition-in-kernelh-to-avoid-ifdef.patch
disable-gfp_thisnode-in-the-non-numa-case.patch
gfp_thisnode-for-the-slab-allocator-v2.patch
add-node-to-zone-for-the-numa-case.patch
x86-implement-always-locked-bit-ops-for-memory-shared-with-an-smp-hypervisor.patch
zvc-support-nr_slab_reclaimable--nr_slab_unreclaimable-swap_prefetch.patch
reduce-max_nr_zones-swap_prefetch-remove-incorrect-use-of-zone_highmem.patch
numa-add-zone_to_nid-function-swap_prefetch.patch
readahead-state-based-method-aging-accounting-apply-type-enum-zone_type-readahead.patch
-
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