From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5DA243CF963 for ; Mon, 20 Jul 2026 22:41:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784587271; cv=none; b=GSJMENzavq2OQR3CwtQNs0i0MCSWKpdGGVGFFM9oSZluWq2F9LV9VUG6JAnFfFA+bR6AGCssJAItcu4d4BqvIA3xZRCyp4JsRxZhHTyDApz4t8Zg7Ial0HltFwD7ECi3+El8xBhSwtfrVo7TGN8lWfGM6F+qbjP79Fd/gpVg9yw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784587271; c=relaxed/simple; bh=4KX6bIYFlNTcYS0r4lxL3XnjsjpDaIafM8FeqtZ0HiM=; h=Date:To:From:Subject:Message-Id; b=nsRQLQd4Vj6+lW5KNzuJQ+kf03MEOLcMhD3UqbBgOvg5esssGuhDMqg88d7yEw1iFMMiK81oNm4dxGDCOQ33ad/g5x/OfuwiUK5P2no/84rlX6QiTquGy/LVXkIQJ7FG4ffIdtW84G+6CCNwujgTp6A5nczqGMkiEQQM3Vmt178= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=BbDnIDOE; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="BbDnIDOE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC1501F000E9; Mon, 20 Jul 2026 22:41:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1784587269; bh=5OsaMjuy6piAm5O2zOhG8hkWVfnT4WbaTsbeMIxBaus=; h=Date:To:From:Subject; b=BbDnIDOEYEJg/4/7CGJddYyNoWtd/WrUT44uzo5aVbcm3ZWcZ8/9bBJqQ+G+PbMUn hKAkwr9cF32C42Tl/UKAUIQzvvOVxhITmldkF6boIFPj0LpjpEVLT1Mh1eL5iraDy0 yWG8fJqDdmmqxBIHTrJQjUR/tdmrmjEnXvGAEifE= Date: Mon, 20 Jul 2026 15:41:09 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,vbabka@kernel.org,pfalcato@suse.de,ljs@kernel.org,liam@infradead.org,jannh@google.com,david@kernel.org,wangkefeng.wang@huawei.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-mincore-improve-mincore_hugetlb-fix.patch added to mm-unstable branch Message-Id: <20260720224109.BC1501F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm: mincore: fixup improve mincore_hugetlb() has been added to the -mm mm-unstable branch. Its filename is mm-mincore-improve-mincore_hugetlb-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mincore-improve-mincore_hugetlb-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Kefeng Wang Subject: mm: mincore: fixup improve mincore_hugetlb() Date: Mon, 20 Jul 2026 20:42:52 +0800 - change unsigned long nr to const - remove a local vec variable Link: https://lore.kernel.org/20260720124252.1483984-1-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang Cc: David Hildenbrand (Arm) Cc: Jann Horn Cc: Liam R. Howlett Cc: Lorenzo Stoakes Cc: Pedro Falcato Cc: Vlastimil Babka Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/mincore.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/mm/mincore.c~mm-mincore-improve-mincore_hugetlb-fix +++ a/mm/mincore.c @@ -28,8 +28,7 @@ static int mincore_hugetlb(pte_t *pte, u unsigned long end, struct mm_walk *walk) { #ifdef CONFIG_HUGETLB_PAGE - unsigned long nr = (end - addr) >> PAGE_SHIFT; - unsigned char *vec = walk->private; + const unsigned long nr = (end - addr) >> PAGE_SHIFT; unsigned char resident; spinlock_t *ptl; pte_t ptep; @@ -37,7 +36,7 @@ static int mincore_hugetlb(pte_t *pte, u ptl = huge_pte_lock(hstate_vma(walk->vma), walk->mm, pte); ptep = huge_ptep_get(walk->mm, addr, pte); resident = !huge_pte_none(ptep) && !pte_is_marker(ptep); - memset(vec, resident, nr); + memset(walk->private, resident, nr); walk->private += nr; spin_unlock(ptl); #else _ Patches currently in -mm which might be from wangkefeng.wang@huawei.com are mm-migrate_device-fix-pte_pfn-pte_dirty-called-on-non-present-pte.patch mm-remove-pagetranscompound.patch mm-mincore-use-walk_page_range_vma-in-do_mincore.patch mm-mprotect-use-walk_page_range_vma-in-mprotect_fixup.patch mm-mlock-use-walk_page_range_vma-in-mlock_vma_pages_range.patch mm-migrate_device-use-walk_page_range_vma-in-migrate_vma_collect.patch mm-introduce-pud_is_huge-helper.patch mm-mincore-remove-special-handling-for-vm_pfnmap.patch mm-mincore-remove-special-handling-for-vm_pfnmap-fix.patch mm-mincore-replace-__get_free_page-with-kmalloc.patch mm-mincore-remove-xa_is_value-in-mincore_swap.patch mm-mincore-improve-mincore_hugetlb.patch mm-mincore-improve-mincore_hugetlb-fix.patch mm-mincore-refactor-mincore_page.patch