linux-kernel - Re: [PATCH 6/9] mm/hugetlb: convert free_huge

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Date:   Mon, 17 Oct 2022 13:36:15 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Sidhartha Kumar <sidhartha.kumar@...cle.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        songmuchun@...edance.com, mike.kravetz@...cle.com,
        willy@...radead.org, almasrymina@...gle.com, linmiaohe@...wei.com,
        minhquangbui99@...il.com, aneesh.kumar@...ux.ibm.com
Subject: Re: [PATCH 6/9] mm/hugetlb: convert free_huge_page to folios

On Thu, 13 Oct 2022 20:13:00 -0700 Sidhartha Kumar <sidhartha.kumar@...cle.com> wrote:

> Use folios inside free_huge_page(), this is in preparation for converting
> hugetlb_cgroup_uncharge_page() to take in a folio.

I added this build fix.

--- a/mm/hugetlb.c~mm-hugetlb-convert-free_huge_page-to-folios-fix
+++ a/mm/hugetlb.c
@@ -1704,7 +1704,7 @@ void free_huge_page(struct page *page)
 	unsigned long flags;
 
 	VM_BUG_ON_FOLIO(folio_ref_count(folio), folio);
-	VM_BUG_ON_PAGE(folio_mapcount(folio), folio);
+	VM_BUG_ON_FOLIO(folio_mapcount(folio), folio);
 
 	hugetlb_set_folio_subpool(folio, NULL);
 	if (folio_test_anon(folio))
_