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 2255E2FD665; Fri, 3 Apr 2026 17:32:22 +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=1775237543; cv=none; b=i+t5uPsSpMdJvAyYzVkKuA/DHwJ35sgJUSNk2Ygs/d39WTI1iEwVmHdTp5MBu+y6BAHsjX0x1cqY+/ObZvGKCxxY4x/hdBqlJhxIF9Ic9HnblAdH+hzG3m8XHCZyAVRhoCIaD+z5lzHhadf9OALfcgeFrdAg2+sZIfT5MUf4G7k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775237543; c=relaxed/simple; bh=9hMsoNm0XbId952oZoxtn/0arLkFesFZm702d4Y3+bg=; h=Date:To:From:Subject:Message-Id; b=NZbQS9cerI8cCi4NcdkZNYQxIgC8rdx6bs8YbVovt46naI9VOtgYPI0E8d0fMWHEja3wj81RMkJOFNfn0KcMTQpQTRPCh97sKZ3OEozQ9JF3rm6awUaC7iUyaxG8utaPXU8SQXagWL7MucQ6v12+Jv/QXUQ5qrXVgzNW8yBoSa0= 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=LDlmnFuo; 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="LDlmnFuo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8AEBFC4CEF7; Fri, 3 Apr 2026 17:32:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1775237542; bh=9hMsoNm0XbId952oZoxtn/0arLkFesFZm702d4Y3+bg=; h=Date:To:From:Subject:From; b=LDlmnFuoiADF5WzD+3dTcHDzQ0tMj0V6sWtZnTHEInAVIN0XzPcCikDgEkqlHCwBb Qn4M2y3nxHYHmQHfh2JokwmnZzXGoubNRvY9wrvqpqZffS/uFjaGyiC7JM0ABUcHDK JxwydAkXcYlqY3m+MfPMMKDT+0SsGGmFR6bkywSM= Date: Fri, 03 Apr 2026 10:32:22 -0700 To: mm-commits@vger.kernel.org,vbabka@kernel.org,surenb@google.com,stable@vger.kernel.org,shuah@kernel.org,rppt@kernel.org,pfalcato@suse.de,mhocko@suse.com,ljs@kernel.org,liam.howlett@oracle.com,jason@zx2c4.com,jannh@google.com,david@kernel.org,anthony.yznaga@oracle.com,akpm@linux-foundation.org From: Andrew Morton Subject: [to-be-updated] mm-fix-mmap-errno-value-when-map_droppable-is-not-supported.patch removed from -mm tree Message-Id: <20260403173222.8AEBFC4CEF7@smtp.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm: fix mmap errno value when MAP_DROPPABLE is not supported has been removed from the -mm tree. Its filename was mm-fix-mmap-errno-value-when-map_droppable-is-not-supported.patch This patch was dropped because an updated version will be issued ------------------------------------------------------ From: Anthony Yznaga Subject: mm: fix mmap errno value when MAP_DROPPABLE is not supported Date: Wed, 1 Apr 2026 17:34:16 -0700 On configs where MAP_DROPPABLE is not supported (currently any 32-bit config except for PPC32), mmap fails with errno set to ENOTSUPP. However, ENOTSUPP is not a standard error value that userspace knows about. The acceptable userspace-visible errno to use is EOPNOTSUPP. checkpatch.pl has a warning to this affect. Link: https://lkml.kernel.org/r/20260402003417.438037-2-anthony.yznaga@oracle.com Fixes: 9651fcedf7b9 ("mm: add MAP_DROPPABLE for designating always lazily freeable mappings") Signed-off-by: Anthony Yznaga Acked-by: David Hildenbrand (Arm) Cc: Jann Horn Cc: Jason A. Donenfeld Cc: Liam Howlett Cc: Lorenzo Stoakes (Oracle) Cc: Michal Hocko Cc: Mike Rapoport Cc: Pedro Falcato Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Signed-off-by: Andrew Morton --- mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/mmap.c~mm-fix-mmap-errno-value-when-map_droppable-is-not-supported +++ a/mm/mmap.c @@ -504,7 +504,7 @@ unsigned long do_mmap(struct file *file, break; case MAP_DROPPABLE: if (VM_DROPPABLE == VM_NONE) - return -ENOTSUPP; + return -EOPNOTSUPP; /* * A locked or stack area makes no sense to be droppable. * _ Patches currently in -mm which might be from anthony.yznaga@oracle.com are selftests-mm-verify-droppable-mappings-cannot-be-locked.patch