- if (radix_enabled()) {
- radix__init_new_context(mm, index);
- } else {
-
- /* The old code would re-promote on fork, we don't do that
- * when using slices as it could cause problem promoting slices
- * that have been forced down to 4K
- *
- * For book3s we have MMU_NO_CONTEXT set to be ~0. Hence check
- * explicitly against context.id == 0. This ensures that we
- * properly initialize context slice details for newly allocated
- * mm's (which will have id == 0) and don't alter context slice
- * inherited via fork (which will have id != 0).
- *
- * We should not be calling init_new_context() on init_mm. Hence a
- * check against 0 is ok.
- */
- if (mm->context.id == 0)
- slice_set_user_psize(mm, mmu_virtual_psize);
- subpage_prot_init_new_context(mm);
- }