Messages in this thread | | | Date | Fri, 16 Jan 2009 22:26:48 -0800 | From | "H. Peter Anvin" <> | Subject | Re: Kernel vs user memory |
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sidc7 wrote: > The kernel maintains a free list of pages that are free in physical memory. I > was wondering, are these pages in the kernel space ? They are not mapped to > any of the user address space for sure, so will they be in the kernel memory > ?
On a non-highmem kernel, they will be -- ALL memory is mapped in kernel space on non-highmem kernels. For highmem kernels, they will generally not be mapped at all, unless they are lowmem pages.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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