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Wed, 15 Apr 2026 23:20:11 -0700 (PDT) Received: from xiao.mioffice.cn ([43.224.245.230]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f6cae74dcsm3414971b3a.11.2026.04.15.23.20.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Apr 2026 23:20:10 -0700 (PDT) From: Xiang Gao To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Donet Tom , Xiang Gao Subject: [PATCH v3] mm/page_alloc: fix spaces used for indentation instead of tabs Date: Thu, 16 Apr 2026 14:20:06 +0800 Message-Id: <20260416062006.725677-1-gxxa03070307@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: iw3brbagmdifjeq7985zth8zqedjpkkn X-Rspamd-Queue-Id: D037BC0003 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1776320412-501351 X-HE-Meta: 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 ABBJHpTK 9pAuSxx7AmWwoth5X3J7d7aUthzKKMEDr6DUjtkMIFKqZ4GZo27otN+lt2Mg4ZuqfiVNshQha1AZcB13MwRoPQ/+6/KW9dIajXcK4JzUhsPKxRNA6TsWZCER2xM7k0ebK5IeYTVhfnnJUknV0Zd0a7/wEQSQ0m8jOhM1R2NbttHCMmSIOc5Gx5iyGpziol/NcXk3ElOS3Fv4OoKuy/W7Tt/Khb4t4B+u+HB6Kf6N5W6YTrTFDgOhHgigl9PEMhw2TOMgwSIaRf/cRlDNmOTMtdkISd4Z7gIgPcl7w1ku/rH8kVaynDu3vp2M2sXQw8H1a1O63Kw5MGGLxjKGddLNyESGMUwx3V3p6dycRS2oWdnajcp7/WVfO+hxNXK/oqTlXgreCnTj2es/fWYAbmM4dWf70v+zC7YpyO2ec6ReSNihH/gyBT4xW4yMicwRfuwYLq8IK Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Xiang Gao 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: Xiang Gao Reviewed-by: Donet Tom --- 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; } -- 2.34.1