Am Tuesday, 25. October 2005 02:31 schrieb [EMAIL PROTECTED]: [snip] > Because the kernel address space has to hold more than just RAM (in > particular, it also has to hold memory-mapped PCI devices like > video cards), if you have 1G of physical memory, the kernel will by > default only use 896M of it, leaving 128M of kernel address space > for PCI devices. > > A different user/kernel split can help there. I use 2.75/1.25G on > 1G RAM machines, but if you use PAE or NX, the split has to be on a > 1G boundary. > > > But these are all workarounds. The real solution is to use a > larger virtual address space so that the original, efficient > technique of mapping both the user's virtual address space and the > kernel's address space (basically a copy of physical memory) will > both fit.
And what about 64bit systems? How is the splitting done there? Do I have to worry? Martin -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
