linux-kernel - [PATCH] hugetlb: Show nr_huge_pages in report

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Message-ID: <20250515114231.65824-1-xuwenjie04@baidu.com>
Date: Thu, 15 May 2025 19:42:31 +0800
From: Wenjie Xu <xuwenjie04@...du.com>
To: <muchun.song@...ux.dev>, <osalvador@...e.de>, <akpm@...ux-foundation.org>
CC: <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>, Wenjie Xu
	<xuwenjie04@...du.com>, Li RongQing <lirongqing@...du.com>
Subject: [PATCH] hugetlb: Show nr_huge_pages in report_hugepages()

The number of pre-allocated huge pages should be nr_huge_pages, not
free_huge_pages, although they are same during booting stage

Signed-off-by: Wenjie Xu <xuwenjie04@...du.com>
Signed-off-by: Li RongQing <lirongqing@...du.com>
---
 mm/hugetlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6ea1be71aa42..2a4d4551749a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3740,7 +3740,7 @@ static void __init report_hugepages(void)
 
 		string_get_size(huge_page_size(h), 1, STRING_UNITS_2, buf, 32);
 		pr_info("HugeTLB: registered %s page size, pre-allocated %ld pages\n",
-			buf, h->free_huge_pages);
+			buf, h->nr_huge_pages);
 		if (nrinvalid)
 			pr_info("HugeTLB: %s page size: %lu invalid page%s discarded\n",
 					buf, nrinvalid, nrinvalid > 1 ? "s" : "");
-- 
2.41.0