On Thu, Aug 22, 2024 at 01:45:06PM -0500, David Wright wrote: > On Thu 22 Aug 2024 at 17:21:04 (+0000), Thorsten Glaser wrote: > > Mike Castle dixit:
[...] > > >I suspect that the race is that, when the the swapoff() syscall > > >returns, the kernel has indeed moved all of the content off, so that > > >part is fine... but it has not yet released whatever kind of resources > > >is has on the backing store (akin to an open file handle). > > > > My guess as well. > > I'm not convinced. Finding out what needs copying back and locating > somewhere to put it is AIUI a slow process. Actually, thinking about it: if the system hasn't enough discardable RAM, the process might take arbitrarily long, no? Cheers -- t
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