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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 22:27:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 22:27:08 -0700 |
| commit | 9f45efb9286268e01d5022d34a58a68f53ca3072 (patch) | |
| tree | ac152f5ab7bf104ee2c4ad3a596ce0d2595f1d59 /arch/s390/mm/init.c | |
| parent | dc502142b65b9e31eb90ab4344b3acadb2698317 (diff) | |
| parent | 4932381ee2a77a21641009149722e1bb92bd99e2 (diff) | |
| download | lwn-9f45efb9286268e01d5022d34a58a68f53ca3072.tar.gz lwn-9f45efb9286268e01d5022d34a58a68f53ca3072.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
- a few hotfixes
- various misc updates
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (108 commits)
mm, memory_hotplug: move movable_node to the hotplug proper
mm, memory_hotplug: drop CONFIG_MOVABLE_NODE
mm, memory_hotplug: drop artificial restriction on online/offline
mm: memcontrol: account slab stats per lruvec
mm: memcontrol: per-lruvec stats infrastructure
mm: memcontrol: use generic mod_memcg_page_state for kmem pages
mm: memcontrol: use the node-native slab memory counters
mm: vmstat: move slab statistics from zone to node counters
mm/zswap.c: delete an error message for a failed memory allocation in zswap_dstmem_prepare()
mm/zswap.c: improve a size determination in zswap_frontswap_init()
mm/zswap.c: delete an error message for a failed memory allocation in zswap_pool_create()
mm/swapfile.c: sort swap entries before free
mm/oom_kill: count global and memory cgroup oom kills
mm: per-cgroup memory reclaim stats
mm: kmemleak: treat vm_struct as alternative reference to vmalloc'ed objects
mm: kmemleak: factor object reference updating out of scan_block()
mm: kmemleak: slightly reduce the size of some structures on 64-bit architectures
mm, mempolicy: don't check cpuset seqlock where it doesn't matter
mm, cpuset: always use seqlock when changing task's nodemask
mm, mempolicy: simplify rebinding mempolicies when updating cpusets
...
Diffstat (limited to 'arch/s390/mm/init.c')
| -rw-r--r-- | arch/s390/mm/init.c | 32 |
1 files changed, 3 insertions, 29 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 3348e60dd8ad..8111694ce55a 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -166,43 +166,17 @@ unsigned long memory_block_size_bytes(void) } #ifdef CONFIG_MEMORY_HOTPLUG -int arch_add_memory(int nid, u64 start, u64 size, bool for_device) +int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock) { - unsigned long zone_start_pfn, zone_end_pfn, nr_pages; unsigned long start_pfn = PFN_DOWN(start); unsigned long size_pages = PFN_DOWN(size); - pg_data_t *pgdat = NODE_DATA(nid); - struct zone *zone; - int rc, i; + int rc; rc = vmem_add_mapping(start, size); if (rc) return rc; - for (i = 0; i < MAX_NR_ZONES; i++) { - zone = pgdat->node_zones + i; - if (zone_idx(zone) != ZONE_MOVABLE) { - /* Add range within existing zone limits, if possible */ - zone_start_pfn = zone->zone_start_pfn; - zone_end_pfn = zone->zone_start_pfn + - zone->spanned_pages; - } else { - /* Add remaining range to ZONE_MOVABLE */ - zone_start_pfn = start_pfn; - zone_end_pfn = start_pfn + size_pages; - } - if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn) - continue; - nr_pages = (start_pfn + size_pages > zone_end_pfn) ? - zone_end_pfn - start_pfn : size_pages; - rc = __add_pages(nid, zone, start_pfn, nr_pages); - if (rc) - break; - start_pfn += nr_pages; - size_pages -= nr_pages; - if (!size_pages) - break; - } + rc = __add_pages(nid, start_pfn, size_pages, want_memblock); if (rc) vmem_remove_mapping(start, size); return rc; |