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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
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31
arch/ia64/include/asm/tlb.h
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@@ -205,17 +205,18 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
* must be delayed until after the TLB has been flushed (see comments at the beginning of
* this file).
*/
static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
static inline bool __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
{
if (tlb->nr == tlb->max)
return true;
tlb->need_flush = 1;
if (!tlb->nr && tlb->pages == tlb->local)
__tlb_alloc_page(tlb);
tlb->pages[tlb->nr++] = page;
VM_BUG_ON(tlb->nr > tlb->max);
return tlb->max - tlb->nr;
return false;
}
static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
@@ -235,8 +236,28 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb)
static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
{
if (!__tlb_remove_page(tlb, page))
if (__tlb_remove_page(tlb, page)) {
tlb_flush_mmu(tlb);
__tlb_remove_page(tlb, page);
}
}
static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
struct page *page, int page_size)
{
return __tlb_remove_page(tlb, page);
}
static inline bool __tlb_remove_pte_page(struct mmu_gather *tlb,
struct page *page)
{
return __tlb_remove_page(tlb, page);
}
static inline void tlb_remove_page_size(struct mmu_gather *tlb,
struct page *page, int page_size)
{
return tlb_remove_page(tlb, page);
}
/*