From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABCD2CA9EA0 for ; Fri, 25 Oct 2019 13:10:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 351FF2084C for ; Fri, 25 Oct 2019 13:10:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="ZgWMP+5l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 351FF2084C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8E00C6B0003; Fri, 25 Oct 2019 09:10:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 890186B0006; Fri, 25 Oct 2019 09:10:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 77E976B0007; Fri, 25 Oct 2019 09:10:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0071.hostedemail.com [216.40.44.71]) by kanga.kvack.org (Postfix) with ESMTP id 4FFB46B0003 for ; Fri, 25 Oct 2019 09:10:46 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id E7A5F181E8E81 for ; Fri, 25 Oct 2019 13:10:45 +0000 (UTC) X-FDA: 76082341650.01.woman03_68098831491e X-HE-Tag: woman03_68098831491e X-Filterd-Recvd-Size: 22320 Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Fri, 25 Oct 2019 13:10:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1572009041; bh=BoPFv1n1GeGtr39TG5vhVjMFSfhdHAlVzUt3V8lzM8U=; h=X-UI-Sender-Class:Subject:From:Reply-To:To:Cc:Date:In-Reply-To: References; b=ZgWMP+5l21mPV2wbqXCVC23tC2gJ8/YimpxuUagutV1gbXpVrszB1s8f0uv0+sEFx KkGs3uqeWkEku1GAT+TwbzF6X7i1FhtogWQSB14gmccuhxMUg0YXfDkSu7lQXG5HGc 5mHiJBl5UwWkhO/4lFajHX/g/NXm74LmYJREMPEY= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from bear.fritz.box ([80.128.101.49]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M5wLT-1iLVaU17Ot-007TkU; Fri, 25 Oct 2019 15:10:41 +0200 Message-ID: Subject: Re: mlockall(MCL_CURRENT) blocking infinitely From: Robert Stupp Reply-To: snazy@snazy.de To: Michal Hocko , snazy@snazy.de Cc: Randy Dunlap , linux-kernel@vger.kernel.org, Linux MM , Andrew Morton , "Potyra, Stefan" Date: Fri, 25 Oct 2019 15:10:39 +0200 In-Reply-To: <20191025121104.GH17610@dhcp22.suse.cz> References: <4576b336-66e6-e2bb-cd6a-51300ed74ab8@snazy.de> <20191025092143.GE658@dhcp22.suse.cz> <70393308155182714dcb7485fdd6025c1fa59421.camel@gmx.de> <20191025114633.GE17610@dhcp22.suse.cz> <20191025120505.GG17610@dhcp22.suse.cz> <20191025121104.GH17610@dhcp22.suse.cz> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:wQXLSULoKLs2PrgCMu7pprfq3s7ZjhIOPwa98NMJl1/Svbn2ouU zhliSXAbrJX9pEZnkkmx/hUv7/l69KUzLZbDgzCAh1ckNY/5hzn4ggNFGldJOc28DLiYKAn V7aRbqPSBCJIh0z3+F6OxGbaYahEVJXB3W4a+jJdX5GHYvpZjS2fjnNxT9i9gDw0mOTaBjF Ru802iqplep7LZiCRNfug== X-UI-Out-Filterresults: notjunk:1;V03:K0:RPG2XjiKy54=:2d5S81T6W4s7Xp64WuFXzR m1vx7iD6xAdbDesYvGNwrbq8E8Fa9KdtUcQ49CxKNmvh5e5D7JOt+DZbUxDdKLylfZzY9ypX0 c6XbAU+GFUAH9SzQeUNRQ83BQ89aZ74U/XJE/tQegAUJ4gZ4NCuJIBpBa9GtxIPTtMagiOEsc quBPvFquu/yQm0IBIz3cpOYd1P+m4E+W7GcaFxSAjEAUCaREyn7p+oh7sT3S8Ujcs/NOXJ0Ij pxXyeQjFbPhdMmng32LgHLuQFpT8AnVX3gN38e+muB5FKP/p5e7g+9dbWQH4PMJvxs09/L8cb 3hfhbIDVdW4C1pF/vGg4v/nwETw1iF9U5PGNybvAyYtcWurUt70s4ZxUTP+ohbdVdmFy5Wp17 5j323tOrW4nySfmxXLgb1zXvaYQRKVgBZUqRvdeqM6DVEjkDkp+VYP12SQyq6JYRh3RhrOc6V wiZrk/irBuvDCTLYAK7Glc9SunmtV+oDYFivP9VNkK4numKmgSo39M8IxJzLoEOrnxZfQwNlu KxV+pmLjfbc5U6PxWCMV2MUlXJpTV142J14VOt6oIjqEawkx+l9M1SPeIy+Tse/vcMcrixnXS +5D6yg7w1ZsBnU07R689RRgGwfBeApaZazOxcXrWQlaZPpg0/awyaB3cvxkSOWZYsgWayYAJj LD3J2OOgGc+ldIpPGA8rfvwRKpY0cy1G65df/EG0CZ3mjcIWlGuNd1wZo35TVVEx7w7MwuqR1 2Cgsf04kO/psfW4fnH+vigB0u5Z+Jd5PRv7+ypv5IaEXPfOLDWRW7TPuKu3zrPj7O2ubn6By0 KbN1tWH4VNFfwq8nxmF6f1ppyfJOKZ37yddMlALWV5mM/RfSUz83h0yjNPcKJb+DUJHP2Ossn /jRGNiUj1fo3FirbFKnZdlh3UWkNzCyIvsK9/11GNIRXyBx6R2K0ftR7szYOzDUc1z77GHezS KZHCKNSk9E0ROYnc2AmMUvm8So73HJV1v6V/oCZMt5iwAgY6rsfrBvjHi8DFmXPpEhe+ww3mI n3WdvwzsHFPbNTkBTi3m3nwvzKyARSWPoJsO+HtfFVklj+UZ9d3xm/pFcBpJoiP9fnQkxNWoy hPmEdEgz6oq5McxxdUycnRcZ4V5ew1Im7yhA8lRmmwyh2MWoMFe5BYsjbTd2wL00ZBmFJVc0o DsQ75kUtSWWAQFUhY6ygJ0vo22/WBcxc4QM57LMEbzhzKlKVIZjKYH6hpGS1lH9GBl6kZv9Bp 1hT2CFG6k94t0UdoSB9InLVtWNnRT+v9RDoVC6Q== 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: On Fri, 2019-10-25 at 14:11 +0200, Michal Hocko wrote: > On Fri 25-10-19 14:05:05, Michal Hocko wrote: > [...] > > This smells like something that could be runtime specific. Could > > you > > post strace output of your testcase? > > Ohh and /proc//smaps while the strace is hung on mlockall > please. Sure, see below. strace ./test execve("./test", ["./test"], 0x7ffd6ba0f970 /* 89 vars */) =3D 0 brk(NULL) =3D 0x564ee2c79000 arch_prctl(0x3001 /* ARCH_??? */, 0x7ffd58f1d460) =3D -1 EINVAL (Invalid argument) access("/etc/ld.so.preload", R_OK) =3D -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) =3D 3 fstat(3, {st_mode=3DS_IFREG|0644, st_size=3D176037, ...}) =3D 0 mmap(NULL, 176037, PROT_READ, MAP_PRIVATE, 3, 0) =3D 0x7f8be92bb000 close(3) =3D 0 openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) =3D 3 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360r\2\0\0\0\0\0"..., 832) =3D 832 lseek(3, 64, SEEK_SET) =3D 64 read(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784) =3D 784 lseek(3, 848, SEEK_SET) =3D 848 read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) =3D 32 lseek(3, 880, SEEK_SET) =3D 880 read(3, "\4\0\0\0\24\0\0\0\3\0\0\0GNU\0!U\364U\255V\275\207\34\202%\274\312\205 \356%"..., 68) =3D 68 fstat(3, {st_mode=3DS_IFREG|0755, st_size=3D2025032, ...}) =3D 0 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =3D 0x7f8be92b9000 lseek(3, 64, SEEK_SET) =3D 64 read(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784) =3D 784 lseek(3, 848, SEEK_SET) =3D 848 read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) =3D 32 lseek(3, 880, SEEK_SET) =3D 880 read(3, "\4\0\0\0\24\0\0\0\3\0\0\0GNU\0!U\364U\255V\275\207\34\202%\274\312\205 \356%"..., 68) =3D 68 mmap(NULL, 2032984, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =3D 0x7f8be90c8000 mmap(0x7f8be90ed000, 1540096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x25000) =3D 0x7f8be90ed000 mmap(0x7f8be9265000, 303104, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19d000) =3D 0x7f8be9265000 mmap(0x7f8be92af000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1e6000) =3D 0x7f8be92af000 mmap(0x7f8be92b5000, 13656, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) =3D 0x7f8be92b5000 close(3) =3D 0 arch_prctl(ARCH_SET_FS, 0x7f8be92ba540) =3D 0 mprotect(0x7f8be92af000, 12288, PROT_READ) =3D 0 mprotect(0x564ee18c8000, 4096, PROT_READ) =3D 0 mprotect(0x7f8be9312000, 4096, PROT_READ) =3D 0 munmap(0x7f8be92bb000, 176037) =3D 0 fstat(1, {st_mode=3DS_IFCHR|0620, st_rdev=3Dmakedev(0x88, 0xa), ...}) =3D = 0 brk(NULL) =3D 0x564ee2c79000 brk(0x564ee2c9a000) =3D 0x564ee2c9a000 write(1, "Before mlockall(MCL_CURRENT)\n", 29Before mlockall(MCL_CURRENT) ) =3D 29 mlockall(MCL_CURRENT ^ the strace stops there (no closing bracket) Unlike non-strace runs, I've got to do a `kill -9 $(pidof test)` cat /proc/$(pidof test)/smaps 564ee18c5000-564ee18c6000 r--p 00000000 103:02 49174659 /home/snazy/devel/misc/zzz/test Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 4 kB Private_Dirty: 0 kB Referenced: 4 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd mr mw me dw lo sd 564ee18c6000-564ee18c7000 r-xp 00001000 103:02 49174659 /home/snazy/devel/misc/zzz/test Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 4 kB Private_Dirty: 0 kB Referenced: 4 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd ex mr mw me dw lo sd 564ee18c7000-564ee18c8000 r--p 00002000 103:02 49174659 /home/snazy/devel/misc/zzz/test Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 4 kB Private_Dirty: 0 kB Referenced: 4 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd mr mw me dw lo sd 564ee18c8000-564ee18c9000 r--p 00002000 103:02 49174659 /home/snazy/devel/misc/zzz/test Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 4 kB Referenced: 4 kB Anonymous: 4 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd mr mw me dw lo ac sd 564ee18c9000-564ee18ca000 rw-p 00003000 103:02 49174659 /home/snazy/devel/misc/zzz/test Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 4 kB Referenced: 4 kB Anonymous: 4 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd wr mr mw me dw lo ac sd 564ee2c79000-564ee2c9a000 rw-p 00000000 00:00 0 [heap] Size: 132 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 132 kB Pss: 132 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 132 kB Referenced: 132 kB Anonymous: 132 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 132 kB THPeligible: 0 VmFlags: rd wr mr mw me lo ac sd 7f8be90c8000-7f8be90ed000 r--p 00000000 103:02 44307431 /lib/x86_64-linux-gnu/libc-2.30.so Size: 148 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 144 kB Pss: 0 kB Shared_Clean: 144 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 144 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd mr mw me lo sd 7f8be90ed000-7f8be9265000 r-xp 00025000 103:02 44307431 /lib/x86_64-linux-gnu/libc-2.30.so Size: 1504 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 832 kB Pss: 5 kB Shared_Clean: 832 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 832 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 5 kB THPeligible: 0 VmFlags: rd ex mr mw me lo sd 7f8be9265000-7f8be92af000 r--p 0019d000 103:02 44307431 /lib/x86_64-linux-gnu/libc-2.30.so Size: 296 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 64 kB Pss: 0 kB Shared_Clean: 64 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 64 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd mr mw me lo sd 7f8be92af000-7f8be92b2000 r--p 001e6000 103:02 44307431 /lib/x86_64-linux-gnu/libc-2.30.so Size: 12 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 12 kB Pss: 12 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 12 kB Referenced: 12 kB Anonymous: 12 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 12 kB THPeligible: 0 VmFlags: rd mr mw me lo ac sd 7f8be92b2000-7f8be92b5000 rw-p 001e9000 103:02 44307431 /lib/x86_64-linux-gnu/libc-2.30.so Size: 12 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 12 kB Pss: 12 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 12 kB Referenced: 12 kB Anonymous: 12 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 12 kB THPeligible: 0 VmFlags: rd wr mr mw me lo ac sd 7f8be92b5000-7f8be92bb000 rw-p 00000000 00:00 0 Size: 24 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 24 kB Pss: 24 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 24 kB Referenced: 24 kB Anonymous: 24 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 24 kB THPeligible: 0 VmFlags: rd wr mr mw me lo ac sd 7f8be92e6000-7f8be92e7000 r--p 00000000 103:02 44302414 /lib/x86_64-linux-gnu/ld-2.30.so Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 0 kB Shared_Clean: 4 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 4 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd mr mw me dw lo sd 7f8be92e7000-7f8be9309000 r-xp 00001000 103:02 44302414 /lib/x86_64-linux-gnu/ld-2.30.so Size: 136 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 136 kB Pss: 0 kB Shared_Clean: 136 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 136 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd ex mr mw me dw lo sd 7f8be9309000-7f8be9311000 r--p 00023000 103:02 44302414 /lib/x86_64-linux-gnu/ld-2.30.so Size: 32 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 32 kB Pss: 0 kB Shared_Clean: 32 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 32 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd mr mw me dw lo sd 7f8be9312000-7f8be9313000 r--p 0002b000 103:02 44302414 /lib/x86_64-linux-gnu/ld-2.30.so Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 4 kB Referenced: 4 kB Anonymous: 4 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd mr mw me dw lo ac sd 7f8be9313000-7f8be9314000 rw-p 0002c000 103:02 44302414 /lib/x86_64-linux-gnu/ld-2.30.so Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 4 kB Referenced: 4 kB Anonymous: 4 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd wr mr mw me dw lo ac sd 7f8be9314000-7f8be9315000 rw-p 00000000 00:00 0 Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 4 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 4 kB Referenced: 4 kB Anonymous: 4 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 4 kB THPeligible: 0 VmFlags: rd wr mr mw me lo ac sd 7ffd58efe000-7ffd58f20000 rw-p 00000000 00:00 0 [stack] Size: 136 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 20 kB Pss: 20 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 20 kB Referenced: 20 kB Anonymous: 20 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 20 kB THPeligible: 0 VmFlags: rd wr mr mw me gd lo ac 7ffd58f74000-7ffd58f77000 r--p 00000000 00:00 0 [vvar] Size: 12 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 0 kB Pss: 0 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 0 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd mr pf io de dd sd 7ffd58f77000-7ffd58f78000 r-xp 00000000 00:00 0 [vdso] Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 4 kB Pss: 0 kB Shared_Clean: 4 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 4 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: rd ex mr mw me de sd ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall] Size: 4 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Rss: 0 kB Pss: 0 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 0 kB Referenced: 0 kB Anonymous: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB Shared_Hugetlb: 0 kB Private_Hugetlb: 0 kB Swap: 0 kB SwapPss: 0 kB Locked: 0 kB THPeligible: 0 VmFlags: ex