Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 8 of 13] Add a bootparameter to reserve high linear address space for hypervisors | Date | Tue, 1 Aug 2006 23:47:20 +0200 |
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> + /* > + * reservedtop=size reserves a hole at the top of the kernel > + * address space which a hypervisor can load into later. > + * Needed for dynamically loaded hypervisors, so relocating > + * the fixmap can be done before paging initialization. > + * This hole must be a multiple of 4M. > + */ > + else if (!memcmp(from, "reservedtop=", 12)) { > + unsigned long reserved = memparse(from+12, &from); > + reserved &= ~0x3fffff; > + set_fixaddr_top(-reserved); > + }
You need to add a dummy __setup for it, otherwise it will end up in init's environments or be warned about.
Also it should be documented somewhere in Documentation
-Andi
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