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arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1666130666; a=rsa-sha256; cv=pass; b=D+hOJPjOksun/O+JPMGFCAmpNIJS4CDZmIMS/MLSJOpYW8u+zaZ2EoScX7YBLfqhm1qbqr HDyVTMTqdcEqR8OSJ0J97tMLoVg73V4bW9mxB0AWKqlcOBJUCCMTOjcHxbZ6cV2gpcImV3 3s9V+y3hZjeBn6Mhk0ptVYKKR4FUhDY= Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b="tmOeZvt/"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b="GpM/sv5p"; dmarc=pass (policy=none) header.from=oracle.com; spf=pass (imf19.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: F16111A0030 X-Rspam-User: X-Stat-Signature: mkdjcg899r5x7zhm3gcmoorgm85j5mhu X-HE-Tag: 1666130665-599122 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: * Andrew Morton [221018 17:02]: > On Tue, 18 Oct 2022 23:45:39 +0800 kernel test robot wrot= e: >=20 > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux= -next.git master > > branch HEAD: 4ca786ae6681b90b0ec3f4c55c89d12f835f8944 Add linux-next s= pecific files for 20221018 > >=20 > > ... > > > > mm/mmap.c:802 __vma_adjust() error: uninitialized symbol 'next_next'. > >=20 >=20 > The code's OK but I guess we should make this warning go away. Agreed. It took a while to understand that this was a suggested way of fixing it and not the issue itself. I'll send out something shortly. >=20 > --- a/mm/mmap.c~a > +++ a/mm/mmap.c > @@ -618,7 +618,8 @@ int __vma_adjust(struct vm_area_struct * > struct vm_area_struct *expand) > { > struct mm_struct *mm =3D vma->vm_mm; > - struct vm_area_struct *next_next, *next =3D find_vma(mm, vma->vm_end); > + struct vm_area_struct *next_next =3D NULL; /* uninit var warning */ > + struct vm_area_struct *next =3D find_vma(mm, vma->vm_end); > struct vm_area_struct *orig_vma =3D vma; > struct address_space *mapping =3D NULL; > struct rb_root_cached *root =3D NULL; > _ >=20 > =