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Hi

On 4/16/26 7:49 AM, Xiang Gao wrote:
> From: Xiang Gao <gaoxiang17@xiaomi.com>
>
> checkpatch.pl reports two indentation errors in page_alloc.c where
> spaces are used instead of tabs:
>
>    ERROR: code indent should use tabs where possible
>    #887: FILE: mm/page_alloc.c:887:
>    +        VM_WARN_ONCE(get_pageblock_migratetype(page) != migratetype,$
>
>    ERROR: code indent should use tabs where possible
>    #6626: FILE: mm/page_alloc.c:6626:
>    +                                                   sysctl_min_unmapped_ratio) / 100;$
>
> In __del_page_from_free_list(), the VM_WARN_ONCE at line 887 uses 8
> spaces for indentation instead of a tab. The identical VM_WARN_ONCE
> calls in __add_to_free_list() and move_to_free_list() both correctly
> use a tab.
>
> In setup_min_unmapped_ratio(), the continuation line at 6626 uses 6
> tabs + 9 spaces for alignment. Replace the excess spaces with 6 tabs
> + 1 space to correctly align with the opening parenthesis on the
> previous line.
>
> Signed-off-by: gaoxiang17 <gaoxiang17@xiaomi.com>
>
I am seeing below issue with checkpatch.pl

./scripts/checkpatch.pl --strict
0001-mm-page_alloc-fix-spaces-used-for-indentation-instea.patch
WARNING: From:/Signed-off-by: email name mismatch: 'From: Xiang Gao
<gaoxiang17@xiaomi.com>' != 'Signed-off-by: gaoxiang17
<gaoxiang17@xiaomi.com>'

-Donet

> ---
>   mm/page_alloc.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 2d4b6f1a554e..752673a9b43c 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -884,7 +884,7 @@ static inline void __del_page_from_free_list(struct page *page, struct zone *zon
>   {
>       int nr_pages = 1 << order;
>
> -        VM_WARN_ONCE(get_pageblock_migratetype(page) != migratetype,
> +     VM_WARN_ONCE(get_pageblock_migratetype(page) != migratetype,
>                    "page type is %d, passed migratetype is %d (nr=%d)\n",
>                    get_pageblock_migratetype(page), migratetype, nr_pages);
>
> @@ -6623,7 +6623,7 @@ static void setup_min_unmapped_ratio(void)
>
>       for_each_zone(zone)
>               zone->zone_pgdat->min_unmapped_pages += (zone_managed_pages(zone) *
> -                                                      sysctl_min_unmapped_ratio) / 100;
> +                                              sysctl_min_unmapped_ratio) / 100;
>   }
>
>