From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E8A055478D for ; Fri, 27 Mar 2026 23:04:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774652699; cv=none; b=H2cFpN5KMjCA1nqiXZC04qb5EWXqW1/f306So/miUUB0LZum42MI6i84O+/ktqyydl3Xe7vUhcN9QDOY9sxAxm3FIx/IuuSkiNQGAQ4gaaLdRQP85s4WPSF+uNjRcFPG6Ns1HBNVmdrvsCR3+L2Hr+dGjE2xZsWEwAdbF5nKkO4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774652699; c=relaxed/simple; bh=YJUWXKo7rr17J6uLZ16yYEtt2diBctbAOWInXwMVd3k=; h=Date:To:From:Subject:Message-Id; b=AaqjrEJMqNNEGlk31JdVCnL73irZ2kDFR+AIKy2IDyaJQ+zanxsxIpfcLAEkJccOtrCJ66aa6GgN9xnFglLBXndpT55EETw1eb8Mgc7Pk4HE2ND+NLRg0X2/def4h9oh0gsIm2Xh/TmtSjuwLEx2U/Q9BPFVhdhEElxFD+3PeUo= 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=EJDRlBc/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="EJDRlBc/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC706C19423; Fri, 27 Mar 2026 23:04:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1774652698; bh=YJUWXKo7rr17J6uLZ16yYEtt2diBctbAOWInXwMVd3k=; h=Date:To:From:Subject:From; b=EJDRlBc/+Q8qIHInAWtbnE7YyWIBLhtJGZBvhRx+aG2LqRK8vZKNWvly4EvbibHO3 o3/ie+yWYE2ZKRWNUVwCWwOmTmScMfebuO6YqCDk/ct5rOyVIibsXbQtBTsI58j0lq 4EmcazqEcI0FjS+t47b+6vUeWNx99QFQs90Hzjbc= Date: Fri, 27 Mar 2026 16:04:58 -0700 To: mm-commits@vger.kernel.org,surenb@google.com,akpm@linux-foundation.org From: Andrew Morton Subject: [to-be-updated] mm-khugepaged-use-vma_start_write_killable-in-collapse_huge_page.patch removed from -mm tree Message-Id: <20260327230458.AC706C19423@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/khugepaged: use vma_start_write_killable() in collapse_huge_page() has been removed from the -mm tree. Its filename was mm-khugepaged-use-vma_start_write_killable-in-collapse_huge_page.patch This patch was dropped because an updated version will be issued ------------------------------------------------------ From: Suren Baghdasaryan Subject: mm/khugepaged: use vma_start_write_killable() in collapse_huge_page() Date: Thu, 26 Mar 2026 01:08:33 -0700 Replace vma_start_write() with vma_start_write_killable(), improving reaction time to the kill signal. Replace vma_start_write() in collapse_huge_page(). Link: https://lkml.kernel.org/r/20260326080836.695207-4-surenb@google.com Signed-off-by: Suren Baghdasaryan Suggested-by: Matthew Wilcox Reviewed-by: Lorenzo Stoakes (Oracle) Cc: Alexander Gordeev Cc: Alistair Popple Cc: Baolin Wang Cc: Barry Song Cc: Byungchul Park Cc: Christian Borntraeger Cc: "Christophe Leroy (CS GROUP)" Cc: Claudio Imbrenda Cc: David Hildenbrand Cc: Dev Jain Cc: Gerald Schaefer Cc: Gregory Price Cc: Heiko Carstens Cc: "Huang, Ying" Cc: Jann Horn Cc: Janosch Frank Cc: Joshua Hahn Cc: Kees Cook Cc: Lance Yang Cc: Liam R. Howlett Cc: Lorenzo Stoakes Cc: Madhavan Srinivasan Cc: Matthew Brost Cc: Michael Ellerman Cc: Michal Hocko Cc: Mike Rapoport Cc: Nicholas Piggin Cc: Nico Pache Cc: Pedro Falcato Cc: Rakie Kim Cc: Ritesh Harjani (IBM) Cc: Ryan Roberts Cc: Sven Schnelle Cc: Vasily Gorbik Cc: Vlastimil Babka Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/khugepaged.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/mm/khugepaged.c~mm-khugepaged-use-vma_start_write_killable-in-collapse_huge_page +++ a/mm/khugepaged.c @@ -1166,7 +1166,10 @@ static enum scan_result collapse_huge_pa if (result != SCAN_SUCCEED) goto out_up_write; /* check if the pmd is still valid */ - vma_start_write(vma); + if (vma_start_write_killable(vma)) { + result = SCAN_FAIL; + goto out_up_write; + } result = check_pmd_still_valid(mm, address, pmd); if (result != SCAN_SUCCEED) goto out_up_write; _ Patches currently in -mm which might be from surenb@google.com are a.patch mm-vma-use-vma_start_write_killable-in-vma-operations.patch mm-use-vma_start_write_killable-in-process_vma_walk_lock.patch kvm-ppc-use-vma_start_write_killable-in-kvmppc_memslot_page_merge.patch mm-vmscan-prevent-mglru-reclaim-from-pinning-address-space.patch