powerpc: Reduce PTE table memory wastage

[cascardo/linux.git] / arch / powerpc / include / asm / mmu-hash64.h

diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index 05895cf..de9e577 100644 (file)
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -516,6 +516,10 @@ typedef struct {
        unsigned long acop;     /* mask of enabled coprocessor types */
        unsigned int cop_pid;   /* pid value used with coprocessors */
 #endif /* CONFIG_PPC_ICSWX */
+#ifdef CONFIG_PPC_64K_PAGES
+       /* for 4K PTE fragment support */
+       void *pte_frag;
+#endif
 } mm_context_t;