On Mon, 2024-03-25 at 12:39 +0200, Kirill A. Shutemov wrote: > The kernel will convert all shared memory back to private during kexec. > The direct mapping page tables will provide information on which memory > is shared. > > It is extremely important to convert all shared memory. If a page is > missed, it will cause the second kernel to crash when it accesses it. > > Keep track of the number of shared pages. This will allow for > cross-checking against the shared information in the direct mapping and > reporting if the shared bit is lost. > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > --- > Reviewed-by: Kai Huang <kai.huang@xxxxxxxxx> _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
