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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

50
include/trace/events/huge_memory.h
View File

@@ -13,7 +13,7 @@
EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \
EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \
EM( SCAN_PAGE_RO, "no_writable_page") \
EM( SCAN_NO_REFERENCED_PAGE, "no_referenced_page") \
EM( SCAN_LACK_REFERENCED_PAGE, "lack_referenced_page") \
EM( SCAN_PAGE_NULL, "page_null") \
EM( SCAN_SCAN_ABORT, "scan_aborted") \
EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \
@@ -28,7 +28,9 @@
EM( SCAN_SWAP_CACHE_PAGE, "page_swap_cache") \
EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\
EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
EMe( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed")
EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \
EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
EMe(SCAN_TRUNCATED, "truncated") \
#undef EM
#undef EMe
@@ -45,17 +47,18 @@ SCAN_STATUS
TRACE_EVENT(mm_khugepaged_scan_pmd,
TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
bool referenced, int none_or_zero, int status),
int referenced, int none_or_zero, int status, int unmapped),
TP_ARGS(mm, page, writable, referenced, none_or_zero, status),
TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(unsigned long, pfn)
__field(bool, writable)
__field(bool, referenced)
__field(int, referenced)
__field(int, none_or_zero)
__field(int, status)
__field(int, unmapped)
),
TP_fast_assign(
@@ -65,15 +68,17 @@ TRACE_EVENT(mm_khugepaged_scan_pmd,
__entry->referenced = referenced;
__entry->none_or_zero = none_or_zero;
__entry->status = status;
__entry->unmapped = unmapped;
),
TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s",
TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d",
__entry->mm,
__entry->pfn,
__entry->writable,
__entry->referenced,
__entry->none_or_zero,
__print_symbolic(__entry->status, SCAN_STATUS))
__print_symbolic(__entry->status, SCAN_STATUS),
__entry->unmapped)
);
TRACE_EVENT(mm_collapse_huge_page,
@@ -103,14 +108,14 @@ TRACE_EVENT(mm_collapse_huge_page,
TRACE_EVENT(mm_collapse_huge_page_isolate,
TP_PROTO(struct page *page, int none_or_zero,
bool referenced, bool writable, int status),
int referenced, bool writable, int status),
TP_ARGS(page, none_or_zero, referenced, writable, status),
TP_STRUCT__entry(
__field(unsigned long, pfn)
__field(int, none_or_zero)
__field(bool, referenced)
__field(int, referenced)
__field(bool, writable)
__field(int, status)
),
@@ -131,5 +136,32 @@ TRACE_EVENT(mm_collapse_huge_page_isolate,
__print_symbolic(__entry->status, SCAN_STATUS))
);
TRACE_EVENT(mm_collapse_huge_page_swapin,
TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret),
TP_ARGS(mm, swapped_in, referenced, ret),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__field(int, swapped_in)
__field(int, referenced)
__field(int, ret)
),
TP_fast_assign(
__entry->mm = mm;
__entry->swapped_in = swapped_in;
__entry->referenced = referenced;
__entry->ret = ret;
),
TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d",
__entry->mm,
__entry->swapped_in,
__entry->referenced,
__entry->ret)
);
#endif /* __HUGE_MEMORY_H */
#include <trace/define_trace.h>

22
include/trace/events/writeback.h
View File

@@ -696,7 +696,7 @@ DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
TP_ARGS(inode, wbc, nr_to_write)
);
DECLARE_EVENT_CLASS(writeback_lazytime_template,
DECLARE_EVENT_CLASS(writeback_inode_template,
TP_PROTO(struct inode *inode),
TP_ARGS(inode),
@@ -723,25 +723,39 @@ DECLARE_EVENT_CLASS(writeback_lazytime_template,
show_inode_state(__entry->state), __entry->mode)
);
DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime,
DEFINE_EVENT(writeback_inode_template, writeback_lazytime,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime_iput,
DEFINE_EVENT(writeback_inode_template, writeback_lazytime_iput,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
DEFINE_EVENT(writeback_lazytime_template, writeback_dirty_inode_enqueue,
DEFINE_EVENT(writeback_inode_template, writeback_dirty_inode_enqueue,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
/*
* Inode writeback list tracking.
*/
DEFINE_EVENT(writeback_inode_template, sb_mark_inode_writeback,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
DEFINE_EVENT(writeback_inode_template, sb_clear_inode_writeback,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
#endif /* _TRACE_WRITEBACK_H */
/* This part must be outside protection */