+ mm-damon-add-access-checking-for-hugetlb-pages-fix.patch added to -mm tree

+ mm-damon-add-access-checking-for-hugetlb-pages-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm-damon-add-access-checking-for-hugetlb-pages-fix
has been added to the -mm tree.  Its filename is
     mm-damon-add-access-checking-for-hugetlb-pages-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-add-access-checking-for-hugetlb-pages-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-add-access-checking-for-hugetlb-pages-fix.patch

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------------------------------------------------------
From: Baolin Wang <baolin.wang@linux.alibaba.com>
Subject: mm-damon-add-access-checking-for-hugetlb-pages-fix

> On i386:
>
> ../mm/damon/vaddr.c: In function `damon_hugetlb_mkold':
> ../mm/damon/vaddr.c:402:17: warning: unused variable `h' [-Wunused-variable]
>    struct hstate *h = hstate_vma(vma);

Link: https://lkml.kernel.org/r/1aaf9c11-0d8e-b92d-5c92-46e50a6e8d4e@linux.alibaba.com
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/damon/vaddr.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/mm/damon/vaddr.c~mm-damon-add-access-checking-for-hugetlb-pages-fix
+++ a/mm/damon/vaddr.c
@@ -393,7 +393,6 @@ static void damon_hugetlb_mkold(pte_t *p
 				struct vm_area_struct *vma, unsigned long addr)
 {
 	bool referenced = false;
-	struct hstate *h = hstate_vma(vma);
 	pte_t entry = huge_ptep_get(pte);
 	struct page *page = pte_page(entry);
 
@@ -410,7 +409,7 @@ static void damon_hugetlb_mkold(pte_t *p
 	}
 
 #ifdef CONFIG_MMU_NOTIFIER
-	if (mmu_notifier_clear_young(mm, addr, addr + huge_page_size(h)))
+	if (mmu_notifier_clear_young(mm, addr, addr + huge_page_size(hstate_vma(vma))))
 		referenced = true;
 #endif /* CONFIG_MMU_NOTIFIER */
 
_

Patches currently in -mm which might be from baolin.wang@linux.alibaba.com are

mm-migrate-fix-the-return-value-of-migrate_pages.patch
mm-migrate-correct-the-hugetlb-migration-stats.patch
mm-migrate-correct-the-hugetlb-migration-stats-fix.patch
mm-compaction-fix-the-migration-stats-in-trace_mm_compaction_migratepages.patch
mm-migrate-support-multiple-target-nodes-demotion.patch
mm-migrate-add-more-comments-for-selecting-target-node-randomly.patch
mm-damon-add-access-checking-for-hugetlb-pages.patch
mm-damon-add-access-checking-for-hugetlb-pages-fix.patch

Re: + mm-damon-add-access-checking-for-hugetlb-pages-fix.patch added to -mm tree

[Stephen Rothwell]

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Hi all,

On Thu, 30 Dec 2021 18:15:34 -0800 akpm@linux-foundation.org wrote:
>
> The patch titled
>      Subject: mm-damon-add-access-checking-for-hugetlb-pages-fix
> has been added to the -mm tree.  Its filename is
>      mm-damon-add-access-checking-for-hugetlb-pages-fix.patch

Added to linux-next today.

-- 
Cheers,
Stephen Rothwell

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