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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-20 20:00:43 -0800 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-20 20:00:43 -0800 | 
| commit | 4c9a44aebeaef35570a67aed17b72a2cf8d0b219 (patch) | |
| tree | abb874fe7f50671627b282f6c7fb58db5e75a2e3 /mm/page_alloc.c | |
| parent | 1f0377ff088ed2971c57debc9b0c3b846ec431fd (diff) | |
| parent | cfde819088422503b5c69e03ab7bb90f87121d4d (diff) | |
| download | olio-linux-3.10-4c9a44aebeaef35570a67aed17b72a2cf8d0b219.tar.xz olio-linux-3.10-4c9a44aebeaef35570a67aed17b72a2cf8d0b219.zip  | |
Merge branch 'akpm' (Andrew's patch-bomb)
Merge the rest of Andrew's patches for -rc1:
 "A bunch of fixes and misc missed-out-on things.
  That'll do for -rc1.  I still have a batch of IPC patches which still
  have a possible bug report which I'm chasing down."
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (25 commits)
  keys: use keyring_alloc() to create module signing keyring
  keys: fix unreachable code
  sendfile: allows bypassing of notifier events
  SGI-XP: handle non-fatal traps
  fat: fix incorrect function comment
  Documentation: ABI: remove testing/sysfs-devices-node
  proc: fix inconsistent lock state
  linux/kernel.h: fix DIV_ROUND_CLOSEST with unsigned divisors
  memcg: don't register hotcpu notifier from ->css_alloc()
  checkpatch: warn on uapi #includes that #include <uapi/...
  revert "rtc: recycle id when unloading a rtc driver"
  mm: clean up transparent hugepage sysfs error messages
  hfsplus: add error message for the case of failure of sync fs in delayed_sync_fs() method
  hfsplus: rework processing of hfs_btree_write() returned error
  hfsplus: rework processing errors in hfsplus_free_extents()
  hfsplus: avoid crash on failed block map free
  kcmp: include linux/ptrace.h
  drivers/rtc/rtc-imxdi.c: must include <linux/spinlock.h>
  mm: cma: WARN if freed memory is still in use
  exec: do not leave bprm->interp on stack
  ...
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 11 | 
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2ad2ad168ef..4ba5e37127f 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5978,8 +5978,15 @@ done:  void free_contig_range(unsigned long pfn, unsigned nr_pages)  { -	for (; nr_pages--; ++pfn) -		__free_page(pfn_to_page(pfn)); +	unsigned int count = 0; + +	for (; nr_pages--; pfn++) { +		struct page *page = pfn_to_page(pfn); + +		count += page_count(page) != 1; +		__free_page(page); +	} +	WARN(count != 0, "%d pages are still in use!\n", count);  }  #endif  |