On Tue, Dec 15, 2009 at 2:17 AM, Joel Fernandes <[email protected]>wrote:
> > Am I right in saying that there is kernel mode stack maintained per > > process? > > Yes. > > > Also in the book "Understanding the Linux Kernel" in chapter 3: > > Processes there is a diagram of the stack and the thread_info structure. > The > > addresses shown are 0x015fa000 etc. Shouldn't the addresses start from > > 0xc0000000? Is that a typo? > > User mode stack starts from 0xc0000000. For kernel mode stack, stack base address is not fixed and it is different for each process. Thanks, Chetan Nanda > The diagram's title is "Storing the thread_info structure and the > process kernel stack in two page frames". So its probably referring to > physically memory? Further the addresses indicate that this is > ZONE_NORMAL in physical memory (Contains page frames of memory at and > above 16 MB and below 896 MB). So I think the diagram is alright. > > -Joel > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to [email protected] > Please read the FAQ at http://kernelnewbies.org/FAQ > >
