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[71.184.117.43]) by smtp.gmail.com with ESMTPSA id z4sm1093288qta.73.2020.01.10.06.51.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Jan 2020 06:51:17 -0800 (PST) From: Qian Cai To: akpm@linux-foundation.org Cc: steven.price@arm.com, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, sfr@canb.auug.org.au, Qian Cai Subject: [PATCH -next] arm64/mm/dump: fix a compilation error Date: Fri, 10 Jan 2020 09:51:12 -0500 Message-Id: <20200110145112.7959-1-cai@lca.pw> X-Mailer: git-send-email 2.21.0 (Apple Git-122.2) MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: The linux-next commit "x86: mm: avoid allocating struct mm_struct on the stack" [1] introduced a compilation error with "arm64: mm: convert mm/dump.c to use walk_page_range()" [2]. Fixed it by using the new API. arch/arm64/mm/dump.c:326:38: error: too few arguments to function call, expected 3, have 2 ptdump_walk_pgd(&st.ptdump, info->mm); ~~~~~~~~~~~~~~~ ^ ./include/linux/ptdump.h:20:1: note: 'ptdump_walk_pgd' declared here void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd); ^ arch/arm64/mm/dump.c:364:38: error: too few arguments to function call, expected 3, have 2 ptdump_walk_pgd(&st.ptdump, &init_mm); ~~~~~~~~~~~~~~~ ^ ./include/linux/ptdump.h:20:1: note: 'ptdump_walk_pgd' declared here void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd); ^ 2 errors generated. [1] http://lkml.kernel.org/r/20200108145710.34314-1-steven.price@arm.com [2] http://lkml.kernel.org/r/20191218162402.45610-22-steven.price@arm.com Signed-off-by: Qian Cai --- arch/arm64/mm/dump.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c index ef4b3ca1e058..860c00ec8bd3 100644 --- a/arch/arm64/mm/dump.c +++ b/arch/arm64/mm/dump.c @@ -323,7 +323,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_in= fo *info) } }; =20 - ptdump_walk_pgd(&st.ptdump, info->mm); + ptdump_walk_pgd(&st.ptdump, info->mm, NULL); } =20 static void ptdump_initialize(void) @@ -361,7 +361,7 @@ void ptdump_check_wx(void) } }; =20 - ptdump_walk_pgd(&st.ptdump, &init_mm); + ptdump_walk_pgd(&st.ptdump, &init_mm, NULL); =20 if (st.wx_pages || st.uxn_pages) pr_warn("Checked W+X mappings: FAILED, %lu W+X pages found, %lu non-UX= N pages found\n", --=20 2.21.0 (Apple Git-122.2)