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non-virtual flat memory configuration
Posted by chiko
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chiko
non-virtual flat memory configuration October 08, 2009 12:29PM |
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Re: non-virtual flat memory configuration October 09, 2009 12:06AM |
It's up to the processor (physical chips), not the kernel.
In most cases, CONFIG_MMU=no or disable paging (i.e. set X86_CR0_PG=0 for x86/x86_64 arch) doesn't work or prevents the kernel from booting.
Even for some NoMMU processors (i.e. m68knommu), they might also do address-mapping.
What do you like to do? Give your requirements in detail so people might give specific advices.
"so that kernel and user spaces will share memory space?" doesn't make sense.
-Pat
The Effo Staff
Effo Project, [effo.sourceforge.net]
In most cases, CONFIG_MMU=no or disable paging (i.e. set X86_CR0_PG=0 for x86/x86_64 arch) doesn't work or prevents the kernel from booting.
Even for some NoMMU processors (i.e. m68knommu), they might also do address-mapping.
What do you like to do? Give your requirements in detail so people might give specific advices.
"so that kernel and user spaces will share memory space?" doesn't make sense.
-Pat
The Effo Staff
Effo Project, [effo.sourceforge.net]