powerpc/mm/book3s64: Fix a typo in mmu_context.c

s/detalis/details/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210312112537.4585-1-unixbhaskar@gmail.com

arch/powerpc/mm/book3s64/mmu_context.c

@@ -119,7 +119,7 @@ static int hash__init_new_context(struct mm_struct *mm)
 		/* This is fork. Copy hash_context details from current->mm */
 		memcpy(mm->context.hash_context, current->mm->context.hash_context, sizeof(struct hash_mm_context));
 #ifdef CONFIG_PPC_SUBPAGE_PROT
-		/* inherit subpage prot detalis if we have one. */
+		/* inherit subpage prot details if we have one. */
 		if (current->mm->context.hash_context->spt) {
 			mm->context.hash_context->spt = kmalloc(sizeof(struct subpage_prot_table),
 								GFP_KERNEL);