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Thu, 24 Oct 2024 20:18:52 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5cbb631af0bsm131586a12.68.2024.10.24.20.18.49 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 24 Oct 2024 20:18:49 -0700 (PDT) From: Wei Yang To: akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz, jannh@google.com Cc: linux-mm@kvack.org, Wei Yang Subject: [PATCH 0/3] mm/vma: miss to restore vmi.index on expansion failure Date: Fri, 25 Oct 2024 03:18:44 +0000 Message-Id: <20241025031847.6274-1-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 9BBA940013 X-Stat-Signature: b4bqqwordr3g1zyqgjwudrzpsytg7x7m X-HE-Tag: 1729826307-437438 X-HE-Meta: U2FsdGVkX18iX6JWGnP/XXKMO1nl2VF6px+5rZtALtEhRi4HlnTGB3BeX6zj6z52ChtZDaGePIPvus+AuBHOwlKPJW2rOlROW7fnnQeMA8B9Xz33gfJwv0Dh3oJ4whpfokYKgxbf5ELjn9IKO1I3LY2X1HjcBV+DQHViKy9EsG/6nVTygNtfuGg2WozO6+wYDsuxkQX7pXYy3/9P8vOF8TkYfB8yGyL5+VGkdeyed4H6Rjo4b6ccfDsjhZsihQK4GGU46shCla1orbIU/HyBHi/M9EC4kXkmiobwO+dFfM5QVe5PnOnQNQ8ql6DjtMPqpwk8yDsLYNlx6K4rcXBR2GSbMmQ0rqdxzOF5VcP5hzN33NDD+Pr81nhRP/ZYozQxoUQj74LUlgOwnIkkxG5r4Aj0RmdoAWq0zPnuGVjTPDoGERG+BOOBPvDEZ9WPqRf5JnhSqCVMl8WZhYw8+oNr4avRj+Jne2Io+jUtxTBezCvggwB5wG2beFn5Zmzh3uQitvQczOPUAy+vb0aO8ve0LJnGwWNVQUl/PALDflDSZUkQdtZWRaWiY6GZLEw8eo3H9ofMT7lcXCTDwUhq9aMk4iRqPmC6bEpj2x49JVFzejrQ2CJeYDtcee3w7GcsTrgaOxUokdyf603DLwq7a4GprBZe+/0z+Hi7C+HOzGQtqWlZxRzxnS+rDchFDklmoFA6qf8vqKMn+FwqK/4CUCtv1CgjwD1J+YTbrMocwWvMDgwCvdztGUszeP0QkzZXxJz1JPF5RG+6iljNSW+FYFXWFzGz2kUxKKCOnBhKkWFwrRkXT91dSP/Z5CSrtZ36rF6SlglOd+k8q/gDWQ+f2xFevOD2INEW3GBl8PlZDpweiNM2fvDtVi+8Eob0ZMmDLMtPzbToTICS4UQiyk+9AOlvXEbffJfV6FjdxD+xspw9rKCM3KE+dok0g2BfMOrevZQs4SUDZJ89D5Lt+IpJ6+W W0Lk0VQM OPW6TS82cJCIySzQD0jwVOSQ2yRvkOlxr0a6gaIHWkXQ8hUv0WAqpqwmNhnCmqM+a4FDrXPtofDC8Zjg15FcBf5K6BTU5E1nubl0vcwIsy/Rd68e5m7avpmBcN2M6r5apBr81uRklUWT5IH87dV4se9opUEmi/64Ee9XQfTAXQCGYm50Bx9JrKly0YuvF+dJnSGlBebIjeyvj45JdygsVzBp7dJN9rAe5/XpLBSQpAxdLL9UHWJW4HmAMemoVqfNDiY9Sx1sfZs+v0MwSFXEHbwQGYAICHtvzUWR1FRJB0C6Sbrt3Nom+Xa5Y9yOZKLj5dBWxmRXZHkj5zoncECrCr6EFxJYnqIE63yHm+B50/gas5zTQvLPjxAAnKoSjXYLNkuJhOd90zLXParZ2jWF3kxHCVWNzbk/k4wad X-Bogosity: Ham, tests=bogofilter, spamicity=0.046740, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This serial starts on spotting on miss to restore vmi.index in vma_merge_new_range() when expansion is failed. Patch 2 add a test to assert this. While found build error on old platform, because parameter name missing. Patch 3 is to fix this. Wei Yang (3): mm/vma: miss to restore vmi.index on expansion failure tools: test vmi.index would be restored on merge failure tools: fix build error on parameter name omitted mm/vma.c | 10 ++-- tools/testing/vma/vma.c | 8 +++- tools/testing/vma/vma_internal.h | 82 ++++++++++++++++---------------- 3 files changed, 55 insertions(+), 45 deletions(-)