3 source "lib/Kconfig.debug"
6 bool "Write protect kernel read-only data structures"
7 depends on DEBUG_KERNEL
9 Mark the kernel read-only data as write-protected in the pagetables,
10 in order to catch accidental (and incorrect) writes to such const
11 data. This option may have a slight performance impact because a
12 portion of the kernel code won't be covered by a TLB anymore.