Re: [PATCH] Remove process freezer from suspend to RAM pathway

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> > > Moreover, if FUSE implements syncing, then the sync from within the freezer
> > > will almost certainly deadlock.
> > 
> > Rafael, think positively: by the time fuse implements sync(), the
> > freezer will be long gone ;)
> 
> Now you are entering really dangerous territory.
> If you can implement a meaningfull sync method, you must have dirty
> pages in the page cache. That means you are in the page freeing path
> of the vm. Then we are in real trouble. Don't even think about it.

VM induced deadlocks are real nasty.  I have thought about them a lot
already.  Suspend shouldn't introduce any big surprises.

Miklos
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm

[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux