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xen: Introduce the Xen mapcache
On IA32 host or IA32 PAE host, at present, generally, we can't createan HVM guest with more than 2G memory, because generally it's almostimpossible for Qemu to find a large enough and consecutive virtualaddress space to map an HVM guest's whole physical address space....
xen: Adds a cap to the number of map cache entries.
Adds a cap to the number of map cache entries. This prevents the mapcache from overwhelming system memory.
I also removed the bitmap macros and #included bitmap.h instead.
Signed-off-By: John Baboval <john.baboval@virtualcomputer.com>...
Introduce qemu_put_ram_ptr
This function allows to unlock a ram_ptr give by qemu_get_ram_ptr. Aftera call to qemu_put_ram_ptr, the pointer may be unmap from QEMU whenused with Xen.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>Acked-by: Alexander Graf <agraf@suse.de>...