<div dir="auto">Ohk, I did some more search and found this... sharing for newbies like me.<div dir="auto"><br></div><div dir="auto"><span style="color:rgb(136,136,136);font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">> The kernel source tree...</span><br style="color:rgb(136,136,136);font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="color:rgb(136,136,136);font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">> </span><br style="color:rgb(136,136,136);font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span style="color:rgb(136,136,136);font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)">> Even the just the modules directory reflects some of that.</span><br style="color:rgb(136,136,136);font-family:arial,helvetica,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><span 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type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div><br><div class="gmail_quote">Hi All, <br><br type="attribution"><blockquote class="m_291692090433778758quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">1. so I tried to find out which subsystem the swap space comes under..<div dir="auto">when I googled for list of subsystems Linux architecture, no luck. </div><div dir="auto">Between, I found out that kernel map ( <a href="http://www.makelinux.net/kernel_map/" target="_blank">http://www.makelinux.net/<wbr>kernel_map/</a> ), which gives me kind of subsystems/modules. </div><div dir="auto"><br></div><div dir="auto">Is there any documentation/links for list of subsystems on Linux?!?!</div><div dir="auto"><br></div><div dir="auto">2. it looks like swap space itself a separate subsystem/module. </div><div dir="auto">I thought to subscribe to some lkml dl for swap, but I am not finding any DL at all. Please suggest. </div></div><div class="gmail_extra"></div></blockquote></div></div><div dir="auto"><br></div><div dir="auto">Best regards</div><div dir="auto">Sekar</div><div dir="auto"><div class="gmail_quote"><blockquote class="m_291692090433778758quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_extra"><br><div class="gmail_quote">On Jan 15, 2018 11:52 PM, "inventsekar" <<a href="mailto:inventsekar@gmail.com" target="_blank">inventsekar@gmail.com</a>> wrote:<br type="attribution"><blockquote class="m_291692090433778758m_4404310219245720699quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px">Hi All, </span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px">I have been reading about swap space and got these questions... </span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px"><br></span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px">1. Btrfs was the only one fs which got this below issue or any other fs also? </span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px">2. The other way around - is there any FS which is best suitable (best performance) for swap file?</span></div><div dir="auto">2. Is this issue still there or the wiki isn't updated?</div><div dir="auto"><br></div><div dir="auto"><font color="#222222" face="sans-serif"><span style="font-size:14px"><b><a href="https://wiki.archlinux.org/index.php/swap" target="_blank">https://wiki.archlinux.org/ind<wbr>ex.php/swap</a></b></span></font></div><b style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px">Warning:</b><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)"> </span><a href="https://wiki.archlinux.org/index.php/Btrfs" style="text-decoration-line:none;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;font-weight:bold;font-family:sans-serif;font-size:14px;color:rgb(102,102,102)!important" target="_blank">Btrfs</a><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)"> does not support swap files. Failure to heed this warning may result in file system corruption. While a swap file may be used on Btrfs when mounted through a loop device, this will result in severely degraded swap performance.</span><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)"><br></span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)">Any suggestions, links, documentations please.</span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)"><br></span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)">Best regards</span></div><div dir="auto"><span style="color:rgb(34,34,34);font-family:sans-serif;font-size:14px;background-color:rgb(255,221,221)">Sekar</span></div></div>
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