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-rw-r--r--arch/x86/include/asm/x86_init.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 995ea5c3fbf4..57693498519c 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -81,7 +81,10 @@ struct x86_init_mapping {
/**
* struct x86_init_paging - platform specific paging functions
- * @pagetable_init: platform specific paging initialization call
+ * @pagetable_init: platform specific paging initialization call to setup
+ * the kernel pagetables and prepare accessors functions.
+ * Callback must call paging_init(). Called once after the
+ * direct mapping for phys memory is available.
*/
struct x86_init_paging {
void (*pagetable_init)(void);