From nobody Sun Jan 22 04:41:42 2023 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4P00vB5kbxz2t3f7 for ; Sun, 22 Jan 2023 04:41:58 +0000 (UTC) (envelope-from marklmi@yahoo.com) Received: from sonic304-23.consmr.mail.gq1.yahoo.com (sonic304-23.consmr.mail.gq1.yahoo.com [98.137.68.204]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4P00v95DwLz45V0 for ; Sun, 22 Jan 2023 04:41:57 +0000 (UTC) (envelope-from marklmi@yahoo.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yahoo.com header.s=s2048 header.b=NweIPp+j; spf=pass (mx1.freebsd.org: domain of marklmi@yahoo.com designates 98.137.68.204 as permitted sender) smtp.mailfrom=marklmi@yahoo.com; dmarc=pass (policy=reject) header.from=yahoo.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1674362515; bh=LXmgXHXAtKaQCCe2p/fbM4sntyZ1xC2xuCLWnc7pMyo=; h=From:Subject:Date:To:References:From:Subject:Reply-To; b=NweIPp+jWxvtKqjXCXqLmS5mPwkH49sKAEpDBuzjUwI8816U/JNo7AlPi0Ybbwlk0X1Z5oIjnPgCNwGTZ/fxr++ymnYRBM3RD5U/wlSzNUU+U+AKYXNp03n1YiImJ2iAUy1CuBn2Ac9e+xEN6vVT7SS0Cs3w4fFj1kUnUGNy1QILd7RtdfNT/jTfIdmZAsPRN+28dDP8k2ELfSGOjLgk6VXgl9A4KuS3Ps7Ju8FPRYGwEc8/MPE8AnkChajxbPMqcC9RVtQzvn+RqM8b8S5qYpnqFacADTq70fnnw+2NzbAKkbKBHC1wW1TT+6fTIJcF83s8K6DrUk+tSYSiM93fJQ== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1674362515; bh=SNGahnckMm/cN1CnVzb2OZMOmpfFIJ5A7IemFwT5las=; h=X-Sonic-MF:From:Subject:Date:To:From:Subject; b=mJDaaBgG5VN2HHjsFioxKDd7YHtL+YvcgDJ9YOfHhaytd2DVWM7F3M0+3A4k4lJpq/uSlW1vvAN2PgDWLwzpXkfITuvNbLCbUcr0yvqzoIlx5CZnfJoBVpIYMp6lXdy78CxhorDE1DQNegbCQezVRAl9Z95t6gIETaYtUMmsgKFD77wLPHJkt4TW4K17sijQlGuqo6FxohgT+4oor6F1A/QnhsBgpJJYNbl4r0ruQ9tlPLSApIqln7YTfwQJxneSrGLWfqqTwWuR4fcN/F2Vx4YFJA7QhtJhdUsQr9bem6nZFFal0lSXZ8utbULrpXwNIEBACNWg5VKOZM/z11S0zA== X-YMail-OSG: fktGGhUVM1ll04fqFN4864RVhwCn9qPFhCIH98Met.6Myc7rxWqy1MoF8WZkrS_ 5GB2Mr..n_aywMwtietCz_jMjFQZkr.2pSzrA8uYZzZGpbiEpog4p7cpVtcgodrFgc.4g8Hl2Nh9 s7vC1w914nx8tsJdDNCtqTQXlLX82n57PtnC1vnzMly06i1OdfU0bsieV79woaZtmxosYA74BJS8 YSROdvKUgo6rOwwL5F_FKjrY9mjGIvejfEmZIkzR0gI70.kPeM4fNofgOXixFTQQHHp9gobqOtpS TZLFLeAqRX6ZiJOv0n7oj2MaBPu9kD6g42L9MCThZ.aIscuELW2aDTfvG8RPz4hgSMjeRLnQR7z9 Rp_2Qk3FPHirH1ZBIPIgiQG_skukz1tstIiGtHPkXR_umRK5WGUylKmaNDPBHYR8yOkBJ6ZKET7c pkfZgK3wPVlZMkvuHK5kPmDJp8ZVbohqlBONMcjJxiQOFRlF6enO_HkHJnKmX6Fe7.tb8yt8To4K 1I73d4Ug2SR6.1I1ewt_9NiKLDkPYPppSxg7i08I8QFNXNE9D2WRv0Qodl1ib4NGIaMWtDhNHzjj bfsoS7jCygESqoW5WPt944DWXUtFUj6p2b6v2er7Tmo6aK4u1Xka8Lk.b1wYdEN_5cWtL2Ffi2Bo BMHWMJBjUSM6.H196Lh8PvDf3vdKIA.WNr6YKiFbkGfEsvfZdhhynzHWb2.B6H8wtkdZizqNHQC3 bZ356IUqg_L3ybwT.C1Nir6FmnzUvZyChKHOjVAlkVjjwyjUMUtPmfLMyQ2Ivvd7Tu.ae4staiQ9 5xfa3LM09YS8RcIVN31ucCjjUdsbjC_71X8VaDlGdPLXr7FRKTcfoc451umfKft_NGzdXFpLzP3U NIL9zdVARBCFXd_dyBZBrUy5u7Wf6E041DGOyJBpnIrTu_8pFkKuaTp7v9mWheE_5Itw1rbITRYe yfCFavOSBewpxaIBAwXkwqkArw5FN2VhpcRtLnb5JihSihcU4cmwIyK3t._uhPf5DanCtgY92WfK 7MHVSnvbBvuzuIVYL4WB7GWZmJfhy13l38ygxtPKCKmU6MDRvLzBLePSFNBgiAL7TVrf1YGJKqvP 7c_11xZ7kJ603Nqejgd8XKjefJUPzrsYZhW6DhpZ6z7XG_AXFVTCbFNsHPkn5VlEhhRdWZ7OGimM jp6W2bKmXbIZAACKhCeoF1hdkrMg.CSOAFa2vX.fvt2rTgVRA7F1L5PB3N8SckKsvou5PDVtvxvo WjfH2TYJZ1r5RL0e6v5gZrxl5XhitJEqlfIA0sH0i7KJ43aSVqzxxxYbtjbRSrSwe4.djlfoshe9 QdiMoSsz_M4WFFgRKME_49NfnR1qO43DI79qBEOyrOCerw1mz8wYHvfuth.vL5Eb9KW84Sitz9Jr ack8HnJcly_2EMMwV9NyLf.KNHh7.HNIm7XD3RntS7UBsKfq1Jn23pNabFX0irAu7CCnKZ7JaOQ. bokJj004AlVbP2NA6fUE6tcUClpzgpQzJdQsBzWB59xlUfOup75_wrgciYefCGrKA43HlrJASB0J pfghg3fa4X7YIXC6PJUMIBCs3tTp16T7LtxnOQKbIV2ZOL8DgS.TsvWCCwQ2izXIZFxcri0RQpLZ N7On54m5QxtH8RmMhu.QYhDyNPAODHGOH5LK0oQpdpJlkmj.NnxzH4zCScb0p9wym.CcExyA5tLl jljRZbqcCbwq8NvzuTE6XNVjeZVUU3nSel8psLPJpH3dJ0D89iXcAtGrq4NAaNIyayhlrJwuupC8 ScZyrxVSrbnamACNAuge.IPd.DnmeoRvvcDQh30Vihgmh80.PEs0yQTNnRA84TD1M0Zap4TQTYZz MN9qnKVOzM0DNAFhNWqW_tsOfHusauoM_xaj9MZJ.7K4xbXNaBC_9biHpUInfm0Ua7.MkdmKadlH E.4P629zGunpuV9w7KjgmOadIpjJdrg3rY4xE9s79YdfTq1pA3jNQNM3k2cl.Ei0wQ1FiTdsdGAF ATvd5qz26ID2G1tON9_XWj_2ULI0bq6ZIqRIxORf2aviSmU4_ttTlRkI1L4y.G2UXvlulr_SlSJT .4Ah6LECYc195aiYeoihT3516yqDJRLz2keYcS0GS0ic_Zjkac25sjU0qFDs0grOk1ltw9HnZrci oYcXEYyMUI99EVzh5E.ljnhcDvJ5V6MNdFOYc_ooGftZQaD6LPOl3KiNIZFbLr4dSb9FfSjFCM90 nWZgB6e6P4woAQZbD2LoOdTwaebBr.d9.9c16d1gPG4Rx9IMjuhz9luWBc1LV X-Sonic-MF: Received: from sonic.gate.mail.ne1.yahoo.com by sonic304.consmr.mail.gq1.yahoo.com with HTTP; Sun, 22 Jan 2023 04:41:55 +0000 Received: by hermes--production-gq1-6597fd5bbd-ptc98 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 425b98847bb0eb0db58d880d0e9d16bf; Sun, 22 Jan 2023 04:41:53 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.300.101.1.3\)) Subject: An idea for swap partition size vs. swap space size in use handling Message-Id: Date: Sat, 21 Jan 2023 20:41:42 -0800 To: freebsd-current X-Mailer: Apple Mail (2.3731.300.101.1.3) References: X-Spamd-Result: default: False [-3.49 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.990]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; RCPT_COUNT_ONE(0.00)[1]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RCVD_IN_DNSWL_NONE(0.00)[98.137.68.204:from]; TO_DN_ALL(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[yahoo.com]; RCVD_TLS_LAST(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org] X-Rspamd-Queue-Id: 4P00v95DwLz45V0 X-Spamd-Bar: --- X-ThisMailContainsUnwantedMimeParts: N I have boot media that are each set up to boot a variety of systems that have widely different RAM sizes, from 1 GiBytes to 64 GiBytes for the aarch64 examples of this. This has lead to having multiple swap partitions of various sizes so that I can have total swap spaces that are somewhat under the recommended maximum sizes for the amount of RAM in each of those systems that a given media can boot. It would be nice if I could have just one swap partition on a given boot media, one that is more than sufficient in size for all but the biggest RAM system --but to then be able to tell the system to just use up to the recommended swap space size and to ignore any extra swap space in the swap partition. If such could be done, I'd no longer use multiple swap partitions at the same time in order to get to a desired total for the system at hand at the time. Of course, that still leaves what to do when multiple swap partitions are enabled if such a "ignore what would be extra" mode was also enabled. As I'd not use such, I've no specific recommendations to make that would make any difference to my use. === Mark Millard marklmi at yahoo.com