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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id d63-20020a0df442000000b0057042405e2csm2970168ywf.71.2023.08.14.13.02.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 13:02:10 -0700 (PDT) Date: Mon, 14 Aug 2023 13:02:08 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@ripple.attlocal.net To: Andrew Morton cc: Alexey Dobriyan , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 3/3] mm,thp: fix smaps THPeligible output alignment In-Reply-To: Message-ID: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Extract from current /proc/self/smaps output: Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 ProtectionKey: 0 That's not the alignment shown in Documentation/filesystems/proc.rst: it's an ugly artifact from missing out the %8 other fields are using; but there's even one selftest which expects it to look that way. Hoping no other smaps parsers depend on THPeligible to look so ugly, fix these. Signed-off-by: Hugh Dickins --- fs/proc/task_mmu.c | 2 +- tools/testing/selftests/proc/proc-empty-vm.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 51315133cdc2..15ddf4653a19 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -855,7 +855,7 @@ static int show_smap(struct seq_file *m, void *v) =20 __show_smap(m, &mss, false); =20 - seq_printf(m, "THPeligible: %d\n", + seq_printf(m, "THPeligible: %8u\n", hugepage_vma_check(vma, vma->vm_flags, true, false, true)); =20 if (arch_pkeys_enabled()) diff --git a/tools/testing/selftests/proc/proc-empty-vm.c b/tools/testing/s= elftests/proc/proc-empty-vm.c index dfbcb3ce2194..b16c13688b88 100644 --- a/tools/testing/selftests/proc/proc-empty-vm.c +++ b/tools/testing/selftests/proc/proc-empty-vm.c @@ -82,7 +82,7 @@ static const char proc_pid_smaps_vsyscall_1[] =3D "Swap: 0 kB\n" "SwapPss: 0 kB\n" "Locked: 0 kB\n" -"THPeligible: 0\n" +"THPeligible: 0\n" /* * "ProtectionKey:" field is conditional. It is possible to check it as we= ll, * but I don't have such machine. @@ -112,7 +112,7 @@ static const char proc_pid_smaps_vsyscall_2[] =3D "Swap: 0 kB\n" "SwapPss: 0 kB\n" "Locked: 0 kB\n" -"THPeligible: 0\n" +"THPeligible: 0\n" /* * "ProtectionKey:" field is conditional. It is possible to check it as we= ll, * but I'm too tired. --=20 2.35.3