if (kdata_huge)
return construct_pgprot(PAGE_KERNEL, PAGE_HOME_HASH);
- /* We map the aliased pages of permanent text inaccessible. */
+ /*
+ * We map the aliased pages of permanent text so we can
+ * update them if necessary, for ftrace, etc.
+ */
if (address < (ulong) _sinittext - CODE_DELTA)
- return PAGE_NONE;
+ return construct_pgprot(PAGE_KERNEL, PAGE_HOME_HASH);
/* We map read-only data non-coherent for performance. */
if ((address >= (ulong) __start_rodata &&