mark_rodata_ro is only called by the function mark_readonly when
CONFIG_STRICT_KERNEL_RWX=y,
if CONFIG_STRICT_KERNEL_RWX is not set
a compile warning may be triggered: unused function
Signed-off-by: nixiaoming <nixiaoming@xxxxxxxxxx>
---
arch/arm64/mm/mmu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 2dbb2c9..849f326 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -491,6 +491,7 @@ static void __init map_mem(pgd_t *pgdp)
#endif
}
+#ifdef CONFIG_STRICT_KERNEL_RWX
void mark_rodata_ro(void)
{
unsigned long section_size;
@@ -505,6 +506,7 @@ void mark_rodata_ro(void)
debug_checkwx();
}
+#endif
static void __init map_kernel_segment(pgd_t *pgdp, void *va_start, void *va_end,
pgprot_t prot, struct vm_struct *vma,
--
2.10.1
--
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