[PATCH v4 8/9] crash_core: use VMCOREINFO_SYMBOL_ARRAY() for swapper_pg_dir

From: Omar Sandoval This is preparation for allowing CRASH_CORE to be enabled for any architecture. swapper_pg_dir is always either an array or a macro expanding to NULL. In the latter case, VMCOREINFO_SYMBOL() won't work, as it tries to take the address of the given symbol: #define

[PATCH v4 8/9] crash_core: use VMCOREINFO_SYMBOL_ARRAY() for swapper_pg_dir

From: Omar Sandoval This is preparation for allowing CRASH_CORE to be enabled for any architecture. swapper_pg_dir is always either an array or a macro expanding to NULL. In the latter case, VMCOREINFO_SYMBOL() won't work, as it tries to take the address of the given symbol: #define