mm_ctx_high_slices
memcpy(&get_paca()->mm_ctx_high_slices_psize, mm_ctx_high_slices(context),
hpsizes = mm_ctx_high_slices(&mm->context);
(unsigned long)mm_ctx_high_slices(&mm->context));
psizes = mm_ctx_high_slices(&mm->context);
hpsizes = mm_ctx_high_slices(&mm->context);