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Merge branch 'akpm' (patches from Andrew)

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Merge updates from Andrew Morton:

 - a few misc bits

 - ocfs2

 - most(?) of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (125 commits)
  thp: fix comments of __pmd_trans_huge_lock()
  cgroup: remove unnecessary 0 check from css_from_id()
  cgroup: fix idr leak for the first cgroup root
  mm: memcontrol: fix documentation for compound parameter
  mm: memcontrol: remove BUG_ON in uncharge_list
  mm: fix build warnings in <linux/compaction.h>
  mm, thp: convert from optimistic swapin collapsing to conservative
  mm, thp: fix comment inconsistency for swapin readahead functions
  thp: update Documentation/{vm/transhuge,filesystems/proc}.txt
  shmem: split huge pages beyond i_size under memory pressure
  thp: introduce CONFIG_TRANSPARENT_HUGE_PAGECACHE
  khugepaged: add support of collapse for tmpfs/shmem pages
  shmem: make shmem_inode_info::lock irq-safe
  khugepaged: move up_read(mmap_sem) out of khugepaged_alloc_page()
  thp: extract khugepaged from mm/huge_memory.c
  shmem, thp: respect MADV_{NO,}HUGEPAGE for file mappings
  shmem: add huge pages support
  shmem: get_unmapped_area align huge page
  shmem: prepare huge= mount option and sysfs knob
  mm, rmap: account shmem thp pages
  ...
This commit is contained in:
Linus Torvalds
2016-07-26 19:55:54 -07:00
parent f7816ad0f8 8f19b0c058
commit 0e06f5c0de
186 changed files with 7380 additions and 4151 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/base/memory.c
View File

@@ -391,6 +391,7 @@ static ssize_t show_valid_zones(struct device *dev,
unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block;
struct page *first_page;
struct zone *zone;
int zone_shift = 0;
start_pfn = section_nr_to_pfn(mem->start_section_nr);
end_pfn = start_pfn + nr_pages;
@@ -402,21 +403,26 @@ static ssize_t show_valid_zones(struct device *dev,
zone = page_zone(first_page);
if (zone_idx(zone) == ZONE_MOVABLE - 1) {
/*The mem block is the last memoryblock of this zone.*/
if (end_pfn == zone_end_pfn(zone))
return sprintf(buf, "%s %s\n",
zone->name, (zone + 1)->name);
/* MMOP_ONLINE_KEEP */
sprintf(buf, "%s", zone->name);
/* MMOP_ONLINE_KERNEL */
zone_shift = zone_can_shift(start_pfn, nr_pages, ZONE_NORMAL);
if (zone_shift) {
strcat(buf, " ");
strcat(buf, (zone + zone_shift)->name);
}
if (zone_idx(zone) == ZONE_MOVABLE) {
/*The mem block is the first memoryblock of ZONE_MOVABLE.*/
if (start_pfn == zone->zone_start_pfn)
return sprintf(buf, "%s %s\n",
zone->name, (zone - 1)->name);
/* MMOP_ONLINE_MOVABLE */
zone_shift = zone_can_shift(start_pfn, nr_pages, ZONE_MOVABLE);
if (zone_shift) {
strcat(buf, " ");
strcat(buf, (zone + zone_shift)->name);
}
return sprintf(buf, "%s\n", zone->name);
strcat(buf, "\n");
return strlen(buf);
}
static DEVICE_ATTR(valid_zones, 0444, show_valid_zones, NULL);
#endif

13
drivers/base/node.c
View File

@@ -113,6 +113,8 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d SUnreclaim: %8lu kB\n"
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
"Node %d AnonHugePages: %8lu kB\n"
"Node %d ShmemHugePages: %8lu kB\n"
"Node %d ShmemPmdMapped: %8lu kB\n"
#endif
,
nid, K(node_page_state(nid, NR_FILE_DIRTY)),
@@ -131,10 +133,13 @@ static ssize_t node_read_meminfo(struct device *dev,
node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
, nid,
K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
HPAGE_PMD_NR));
nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(node_page_state(nid, NR_ANON_THPS) *
HPAGE_PMD_NR),
nid, K(node_page_state(nid, NR_SHMEM_THPS) *
HPAGE_PMD_NR),
nid, K(node_page_state(nid, NR_SHMEM_PMDMAPPED) *
HPAGE_PMD_NR));
#else
nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
#endif