On 11/7/05, Hayim Shaul <hayim@xxxxxxxxxxxxxx> wrote: > >>> > >>> What is the (default) kernel address space size in 64bit machines? > >> > >> I am considering by saying 64-bit you mean x86_64 > > Does it matter??? > I thought Linux had an abstraction layer so on all platforms you get the > same partitioning. > Is it different on IA64? > I was mentioning x86_64, just because I worked on x86_64 but not on IA64 so can't say about IA64 Linux provides abstraction layer, but its not necessarily a complete generic layer rather it depends how much you are going in the depth of architecture specific development for example as your question about the kernel address space in 64bit machine at higher level like you are just allocating memory through kmalloc or so, knowledge of kernel address space for that architecture is not that much important and you can simply use unsigned long to hold its address (and it will internally on i386 is 32-bit and in 64bit is 64-bit in size) <snip> > > > > Want to add one thing more: Please for asking some new question > > __must__ create a new mail just __not__ reply to any of the previous > > mail/thread by just changing the subject > > Sorry. Wasn't aware of the 'references' tag. > Actually all the mails are archieved according to the replies and if some-one just reply a previous message by changing the subject then it will appear in the same thread on which it is replied, not as a new thread :) -- Fawad Lateef -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
