On Tue, Aug 21, 2012 at 02:22:35PM +0300, Hiroshi Doyu wrote: > The following "__get_vm_area_node()" can take gfp_mask, it means that > this function is expected to be called from atomic context, but why > it's _NOT_ allowed _ONLY_ from interrupt context?
One reason is it takes read/write locks without using the IRQ safe versions for starters (vmap_area_lock and vmlist_lock). I don't see any other reasons in that bit of code though. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
