Date: Sun, 22 Jan 2023 15:11:47 +0100 (CET) From: Ronald Klop <ronald-lists@klop.ws> To: Mark Millard <marklmi@yahoo.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: An idea for swap partition size vs. swap space size in use handling Message-ID: <159467120.7.1674396707299@mailrelay> In-Reply-To: <E187AA6B-6832-4A75-81BC-21E0A999154D@yahoo.com> References: <E187AA6B-6832-4A75-81BC-21E0A999154D.ref@yahoo.com> <E187AA6B-6832-4A75-81BC-21E0A999154D@yahoo.com>
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------=_Part_6_262847912.1674396706881 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Van: Mark Millard <marklmi@yahoo.com> Datum: zondag, 22 januari 2023 05:41 Aan: freebsd-current <freebsd-current@freebsd.org> Onderwerp: An idea for swap partition size vs. swap space size in use handl= ing >=20 > 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. >=20 > 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. >=20 > 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. >=20 > 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. >=20 > 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. >=20 > =3D=3D=3D > Mark Millard > marklmi at yahoo.com >=20 > =C3=82=20 >=20 >=20 >=20 Hi Mark, Do you mean you would like to be able to add a "size" parameter to the fsta= b swap line? /dev/da0p1 none swap sw,size=3D1g 0 0 Another option I can think of is using the "gnop" geom provider. It has a -= s parameter to set the size. Regards, Ronald. =C3=82=20 ------=_Part_6_262847912.1674396706881 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><head></head><body><br> <p><strong>Van:</strong> Mark Millard <marklmi@yahoo.com><br> <strong>Datum:</strong> zondag, 22 januari 2023 05:41<br> <strong>Aan:</strong> freebsd-current <freebsd-current@freebsd.org><b= r> <strong>Onderwerp:</strong> An idea for swap partition size vs. swap space = size in use handling</p> <blockquote style=3D"padding-right: 0px; padding-left: 5px; margin-left: 5p= x; border-left: #000000 2px solid; margin-right: 0px"> <div class=3D"MessageRFC822Viewer" id=3D"P"> <div class=3D"TextPlainViewer" id=3D"P.P">I have boot media that are each s= et up to boot a variety<br> of systems that have widely different RAM sizes, from<br> 1 GiBytes to 64 GiBytes for the aarch64 examples of this.<br> <br> This has lead to having multiple swap partitions of<br> various sizes so that I can have total swap spaces that<br> are somewhat under the recommended maximum sizes for the<br> amount of RAM in each of those systems that a given media<br> can boot.<br> <br> It would be nice if I could have just one swap partition<br> on a given boot media, one that is more than sufficient<br> in size for all but the biggest RAM system --but to then<br> be able to tell the system to just use up to the<br> recommended swap space size and to ignore any extra swap<br> space in the swap partition.<br> <br> If such could be done, I'd no longer use multiple swap<br> partitions at the same time in order to get to a desired<br> total for the system at hand at the time.<br> <br> Of course, that still leaves what to do when multiple<br> swap partitions are enabled if such a "ignore what<br> would be extra" mode was also enabled. As I'd not use<br> such, I've no specific recommendations to make that<br> would make any difference to my use.<br> <br> =3D=3D=3D<br> Mark Millard<br> marklmi at yahoo.com<br> <br> =C3=82 </div> <hr></div> </blockquote> <br> <br> Hi Mark,<br> <br> Do you mean you would like to be able to add a "size" parameter to the fsta= b swap line?<br> <br> /dev/da0p1 none = swap sw,size=3D1g &n= bsp; 0&nb= sp; 0<br> <br> Another option I can think of is using the "gnop" geom provider. It has a -= s parameter to set the size.<br> <br> Regards,<br> Ronald.<br> =C3=82 </body></html> ------=_Part_6_262847912.1674396706881--
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