Re: [PATCH] mm: Fix typos in comments

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On 3/22/21 1:50 PM, Ingo Molnar wrote:
> 
> * Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
> 
>> On 3/21/21 7:51 PM, Ingo Molnar wrote:
>>>
>>> Fix ~93 single-word typos in locking code comments, plus a few very 
>>> obvious grammar mistakes.
>>>
>>> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
>>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>>> Cc: Rik van Riel <riel@xxxxxxxxxx>
>>> Cc: linux-mm@xxxxxxxxx
>>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>>> ---
>>>  include/linux/mm.h      |  2 +-
>>>  include/linux/vmalloc.h |  4 ++--
>>>  mm/balloon_compaction.c |  4 ++--
>>>  mm/compaction.c         |  2 +-
>>>  mm/filemap.c            |  2 +-
>>>  mm/gup.c                |  2 +-
>>>  mm/highmem.c            |  2 +-
>>>  mm/huge_memory.c        |  4 ++--
>>>  mm/hugetlb.c            |  4 ++--
>>>  mm/internal.h           |  2 +-
>>>  mm/kasan/kasan.h        |  8 ++++----
>>>  mm/kasan/quarantine.c   |  4 ++--
>>>  mm/kasan/shadow.c       |  4 ++--
>>>  mm/kfence/report.c      |  2 +-
>>>  mm/khugepaged.c         |  2 +-
>>>  mm/kmemleak.c           |  2 +-
>>>  mm/ksm.c                |  4 ++--
>>>  mm/madvise.c            |  4 ++--
>>>  mm/memcontrol.c         | 18 +++++++++---------
>>>  mm/memory-failure.c     |  2 +-
>>>  mm/memory.c             | 12 ++++++------
>>>  mm/mempolicy.c          |  4 ++--
>>>  mm/migrate.c            |  8 ++++----
>>>  mm/mmap.c               |  4 ++--
>>>  mm/mprotect.c           |  2 +-
>>>  mm/mremap.c             |  2 +-
>>>  mm/oom_kill.c           |  2 +-
>>>  mm/page-writeback.c     |  4 ++--
>>>  mm/page_alloc.c         | 14 +++++++-------
>>>  mm/page_owner.c         |  2 +-
>>>  mm/page_reporting.c     |  2 +-
>>>  mm/percpu-internal.h    |  2 +-
>>>  mm/percpu.c             |  2 +-
>>>  mm/pgalloc-track.h      |  6 +++---
>>>  mm/slab.c               |  8 ++++----
>>>  mm/slub.c               | 10 +++++-----
>>>  mm/swap_slots.c         |  2 +-
>>>  mm/swap_state.c         |  2 +-
>>>  mm/swapfile.c           |  4 ++--
>>>  mm/util.c               |  2 +-
>>>  mm/vmalloc.c            |  8 ++++----
>>>  mm/vmstat.c             |  2 +-
>>>  mm/zpool.c              |  2 +-
>>>  mm/zsmalloc.c           |  2 +-
>>>  44 files changed, 93 insertions(+), 93 deletions(-)
>>
>>> diff --git a/mm/compaction.c b/mm/compaction.c
>>> index e04f4476e68e..048686fba230 100644
>>> --- a/mm/compaction.c
>>> +++ b/mm/compaction.c
>>> @@ -1977,7 +1977,7 @@ static unsigned int fragmentation_score_wmark(pg_data_t *pgdat, bool low)
>>>  	unsigned int wmark_low;
>>>  
>>>  	/*
>>> -	 * Cap the low watermak to avoid excessive compaction
>>> +	 * Cap the low watermark to avoid excessive compaction
>>>  	 * activity in case a user sets the proactivess tunable
>>
>> 	                                    proactiveness
>> ?
> 
> Yeah, agreed that it's probably the intent there. Fixed.
> 
>>>   * @flags: the fault flags.
>>>   * @ret: the fault retcode.
>>>   *
>>> - * This will take care of most of the page fault accountings.  Meanwhile, it
>>> + * This will take care of most of the page fault accounting.  Meanwhile, it
>>>   * will also include the PERF_COUNT_SW_PAGE_FAULTS_[MAJ|MIN] perf counter
>>>   * updates.  However note that the handling of PERF_COUNT_SW_PAGE_FAULTS should
>>
>>                 However,
> 
> Fixed.
> 
>>>   * still be in per-arch page fault handlers at the entry of page fault.
>>> diff --git a/mm/page_reporting.c b/mm/page_reporting.c
>>> index c50d93ffa252..8b9197074632 100644
>>> --- a/mm/page_reporting.c
>>> +++ b/mm/page_reporting.c
>>> @@ -86,7 +86,7 @@ page_reporting_drain(struct page_reporting_dev_info *prdev,
>>>  			continue;
>>>  
>>>  		/*
>>> -		 * If page was not comingled with another page we can
>>> +		 * If page was not commingled with another page we can
>>
>> Either spelling seems to be acceptable.
> 
> Indeed! I've reverted this.
> 
>>>   * to local caches without needing to acquire swap_info
>>>   * lock.  We do not reuse the returned slots directly but
>>>   * move them back to the global pool in a batch.  This
>>> - * allows the slots to coaellesce and reduce fragmentation.
>>> + * allows the slots to coalescence and reduce fragmentation.
>>
>>                        to coalesce
> 
> erm, yes. Fixed.
> 
>>>   *
>>>   * The swap entry allocated is marked with SWAP_HAS_CACHE
>>>   * flag in map_count that prevents it from being allocated
>>
>>
>> Mostly looks like a good, big cleanup. Thanks.
> 
> New version attached. Can I add your Reviewed-by?

Sure.
Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Thanks.

> Thanks,
> 
> 	Ingo
> 
> ===================================>
> From: Ingo Molnar <mingo@xxxxxxxxxx>
> Date: Mon, 22 Mar 2021 03:40:12 +0100
> Subject: [PATCH] mm: Fix typos in comments
> 
> Fix ~94 single-word typos in locking code comments, plus a few
> very obvious grammar mistakes.
> 
> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
> Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Rik van Riel <riel@xxxxxxxxxx>
> Cc: linux-mm@xxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
>  include/linux/mm.h      |  2 +-
>  include/linux/vmalloc.h |  4 ++--
>  mm/balloon_compaction.c |  4 ++--
>  mm/compaction.c         |  4 ++--
>  mm/filemap.c            |  2 +-
>  mm/gup.c                |  2 +-
>  mm/highmem.c            |  2 +-
>  mm/huge_memory.c        |  6 +++---
>  mm/hugetlb.c            |  6 +++---
>  mm/internal.h           |  2 +-
>  mm/kasan/kasan.h        |  8 ++++----
>  mm/kasan/quarantine.c   |  4 ++--
>  mm/kasan/shadow.c       |  4 ++--
>  mm/kfence/report.c      |  2 +-
>  mm/khugepaged.c         |  2 +-
>  mm/kmemleak.c           |  2 +-
>  mm/ksm.c                |  4 ++--
>  mm/madvise.c            |  4 ++--
>  mm/memcontrol.c         | 18 +++++++++---------
>  mm/memory-failure.c     |  2 +-
>  mm/memory.c             | 14 +++++++-------
>  mm/mempolicy.c          |  4 ++--
>  mm/migrate.c            |  8 ++++----
>  mm/mmap.c               |  4 ++--
>  mm/mprotect.c           |  2 +-
>  mm/mremap.c             |  2 +-
>  mm/oom_kill.c           |  2 +-
>  mm/page-writeback.c     |  4 ++--
>  mm/page_alloc.c         | 14 +++++++-------
>  mm/page_owner.c         |  2 +-
>  mm/percpu-internal.h    |  2 +-
>  mm/percpu.c             |  2 +-
>  mm/pgalloc-track.h      |  6 +++---
>  mm/slab.c               |  8 ++++----
>  mm/slub.c               | 10 +++++-----
>  mm/swap_slots.c         |  2 +-
>  mm/swap_state.c         |  2 +-
>  mm/util.c               |  2 +-
>  mm/vmalloc.c            |  8 ++++----
>  mm/vmstat.c             |  2 +-
>  mm/zpool.c              |  2 +-
>  mm/zsmalloc.c           |  2 +-
>  42 files changed, 94 insertions(+), 94 deletions(-)


-- 
~Randy





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