On Fri, 2006-03-24 at 20:34 +0100, topi wrote: > hi, > > i'm trying to create a procfs entry with the create_proc_entry function > in a netfilter hook (kernel 2.6.12), but i've got: > > Debug: sleeping function called from invalid context at mm/slab.c:2093 > kernel: in_atomic():1, irqs_disabled():0 > kernel: [__kmalloc+142/144] __kmalloc+0x8e/0x90 > [...] > > because create_proc_entry invokes kmalloc with GFP_KERNEL > > i need to create these entries without sleeping, GFP_ATOMIC, because in > netfilter hooks is not allowed to sleep. that's not enough ... because the VFS uses semaphores for just about everything. And creating a proc entry needs to go to the vfs to do things. I think that you're doing something really weird; proc entries (which are deprecated btw!) are typically only created during initialization not during normal runtime of a module.... -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
