Messages in this thread |  | | | From | Christoph Rohland <> | | Subject | Re: VM in 2.4.7-pre hurts... | | Date | 09 Jul 2001 10:25:25 +0200 |
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Hi Mike,
On Mon, 9 Jul 2001, Mike Galbraith wrote: > I don't know exactly what is happening, but I do know _who_ is > causing the problem I'm seeing.. it's tmpfs. When mounted on /tmp > and running X/KDE, the tar [1] will oom my box every time because > page_launder trys and always failing to get anything scrubbed after > the tar has run for a while. Unmount tmpfs/restart X and do the > same tar, and all is well. > > (it's not locked pages aparantly. I modified page_launder to move > those to the active list, and refill_inactive_scan to rotate them to > the end of the active list. inactive_dirty list still grows ever > larger, filling with 'stuff' that page_launder can't clean until > you're totally oom)
Do you have set the size parameter for tmpfs? Else it will grow until oom.
Another point I see with tmpfs is the following: tmpfs writepage simply moves the page to the swap cache. But it does not schedule a writeout of the page. So we have to scan the swap cache to really free memory.
Greetings Christoph
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