Re: [PATCH] mm: Fix typos in comments

From: Randy Dunlap
Date: Mon Mar 22 2021 - 17:03:09 EST


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