powerpc: Mark memory_limit as initdata

The `memory_limit` variable should only be used during boot, enforce
that by marking it initdata.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240422115231.1769984-1-mpe@ellerman.id.au

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 3a440004b97d2b2b94aaa1fc0b05a76397a79953..12316ac66e7e03a877ffae5cd933dc16ccb47765 100644 (file)
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -30,7 +30,7 @@
 
 #include <mm/mmu_decl.h>
 
-unsigned long long memory_limit;
+unsigned long long memory_limit __initdata;
 
 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;
 EXPORT_SYMBOL(empty_zero_page);