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Merge branch 'akpm' (incoming from Andrew)

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Merge first patch-bomb from Andrew Morton:

 - a couple of misc things

 - inotify/fsnotify work from Jan

 - ocfs2 updates (partial)

 - about half of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits)
  mm/migrate: remove unused function, fail_migrate_page()
  mm/migrate: remove putback_lru_pages, fix comment on putback_movable_pages
  mm/migrate: correct failure handling if !hugepage_migration_support()
  mm/migrate: add comment about permanent failure path
  mm, page_alloc: warn for non-blockable __GFP_NOFAIL allocation failure
  mm: compaction: reset scanner positions immediately when they meet
  mm: compaction: do not mark unmovable pageblocks as skipped in async compaction
  mm: compaction: detect when scanners meet in isolate_freepages
  mm: compaction: reset cached scanner pfn's before reading them
  mm: compaction: encapsulate defer reset logic
  mm: compaction: trace compaction begin and end
  memcg, oom: lock mem_cgroup_print_oom_info
  sched: add tracepoints related to NUMA task migration
  mm: numa: do not automatically migrate KSM pages
  mm: numa: trace tasks that fail migration due to rate limiting
  mm: numa: limit scope of lock for NUMA migrate rate limiting
  mm: numa: make NUMA-migrate related functions static
  lib/show_mem.c: show num_poisoned_pages when oom
  mm/hwpoison: add '#' to hwpoison_inject
  mm/memblock: use WARN_ONCE when MAX_NUMNODES passed as input parameter
  ...
This commit is contained in:
Linus Torvalds
2014-01-21 19:05:45 -08:00
parent fbd918a202 78d5506e82
commit df32e43a54
139 changed files with 2914 additions and 2524 deletions
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38
mm/percpu.c
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@@ -1063,7 +1063,7 @@ struct pcpu_alloc_info * __init pcpu_alloc_alloc_info(int nr_groups,
__alignof__(ai->groups[0].cpu_map[0]));
ai_size = base_size + nr_units * sizeof(ai->groups[0].cpu_map[0]);
ptr = alloc_bootmem_nopanic(PFN_ALIGN(ai_size));
ptr = memblock_virt_alloc_nopanic(PFN_ALIGN(ai_size), 0);
if (!ptr)
return NULL;
ai = ptr;
@@ -1088,7 +1088,7 @@ struct pcpu_alloc_info * __init pcpu_alloc_alloc_info(int nr_groups,
*/
void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai)
{
free_bootmem(__pa(ai), ai->__ai_size);
memblock_free_early(__pa(ai), ai->__ai_size);
}
/**
@@ -1246,10 +1246,12 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
PCPU_SETUP_BUG_ON(pcpu_verify_alloc_info(ai) < 0);
/* process group information and build config tables accordingly */
group_offsets = alloc_bootmem(ai->nr_groups * sizeof(group_offsets[0]));
group_sizes = alloc_bootmem(ai->nr_groups * sizeof(group_sizes[0]));
unit_map = alloc_bootmem(nr_cpu_ids * sizeof(unit_map[0]));
unit_off = alloc_bootmem(nr_cpu_ids * sizeof(unit_off[0]));
group_offsets = memblock_virt_alloc(ai->nr_groups *
sizeof(group_offsets[0]), 0);
group_sizes = memblock_virt_alloc(ai->nr_groups *
sizeof(group_sizes[0]), 0);
unit_map = memblock_virt_alloc(nr_cpu_ids * sizeof(unit_map[0]), 0);
unit_off = memblock_virt_alloc(nr_cpu_ids * sizeof(unit_off[0]), 0);
for (cpu = 0; cpu < nr_cpu_ids; cpu++)
unit_map[cpu] = UINT_MAX;
@@ -1311,7 +1313,8 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
* empty chunks.
*/
pcpu_nr_slots = __pcpu_size_to_slot(pcpu_unit_size) + 2;
pcpu_slot = alloc_bootmem(pcpu_nr_slots * sizeof(pcpu_slot[0]));
pcpu_slot = memblock_virt_alloc(
pcpu_nr_slots * sizeof(pcpu_slot[0]), 0);
for (i = 0; i < pcpu_nr_slots; i++)
INIT_LIST_HEAD(&pcpu_slot[i]);
@@ -1322,7 +1325,7 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
* covers static area + reserved area (mostly used for module
* static percpu allocation).
*/
schunk = alloc_bootmem(pcpu_chunk_struct_size);
schunk = memblock_virt_alloc(pcpu_chunk_struct_size, 0);
INIT_LIST_HEAD(&schunk->list);
schunk->base_addr = base_addr;
schunk->map = smap;
@@ -1346,7 +1349,7 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
/* init dynamic chunk if necessary */
if (dyn_size) {
dchunk = alloc_bootmem(pcpu_chunk_struct_size);
dchunk = memblock_virt_alloc(pcpu_chunk_struct_size, 0);
INIT_LIST_HEAD(&dchunk->list);
dchunk->base_addr = base_addr;
dchunk->map = dmap;
@@ -1626,7 +1629,7 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
size_sum = ai->static_size + ai->reserved_size + ai->dyn_size;
areas_size = PFN_ALIGN(ai->nr_groups * sizeof(void *));
areas = alloc_bootmem_nopanic(areas_size);
areas = memblock_virt_alloc_nopanic(areas_size, 0);
if (!areas) {
rc = -ENOMEM;
goto out_free;
@@ -1712,7 +1715,7 @@ out_free_areas:
out_free:
pcpu_free_alloc_info(ai);
if (areas)
free_bootmem(__pa(areas), areas_size);
memblock_free_early(__pa(areas), areas_size);
return rc;
}
#endif /* BUILD_EMBED_FIRST_CHUNK */
@@ -1760,7 +1763,7 @@ int __init pcpu_page_first_chunk(size_t reserved_size,
/* unaligned allocations can't be freed, round up to page size */
pages_size = PFN_ALIGN(unit_pages * num_possible_cpus() *
sizeof(pages[0]));
pages = alloc_bootmem(pages_size);
pages = memblock_virt_alloc(pages_size, 0);
/* allocate pages */
j = 0;
@@ -1823,7 +1826,7 @@ enomem:
free_fn(page_address(pages[j]), PAGE_SIZE);
rc = -ENOMEM;
out_free_ar:
free_bootmem(__pa(pages), pages_size);
memblock_free_early(__pa(pages), pages_size);
pcpu_free_alloc_info(ai);
return rc;
}
@@ -1848,12 +1851,13 @@ EXPORT_SYMBOL(__per_cpu_offset);
static void * __init pcpu_dfl_fc_alloc(unsigned int cpu, size_t size,
size_t align)
{
return __alloc_bootmem_nopanic(size, align, __pa(MAX_DMA_ADDRESS));
return memblock_virt_alloc_from_nopanic(
size, align, __pa(MAX_DMA_ADDRESS));
}
static void __init pcpu_dfl_fc_free(void *ptr, size_t size)
{
free_bootmem(__pa(ptr), size);
memblock_free_early(__pa(ptr), size);
}
void __init setup_per_cpu_areas(void)
@@ -1896,7 +1900,9 @@ void __init setup_per_cpu_areas(void)
void *fc;
ai = pcpu_alloc_alloc_info(1, 1);
fc = __alloc_bootmem(unit_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
fc = memblock_virt_alloc_from_nopanic(unit_size,
PAGE_SIZE,
__pa(MAX_DMA_ADDRESS));
if (!ai || !fc)
panic("Failed to allocate memory for percpu areas.");
/* kmemleak tracks the percpu allocations separately */