mm: introduce common STRUCT_PAGE_MAX_SHIFT define

[linux-2.6-block.git] / arch / arm64 / mm / init.c

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 9b432d9fcada8dac8e7b1041437387f29785b2af..0340e45655c687ebc3b223cdee374d97e0e722c7 100644 (file)
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -610,14 +610,6 @@ void __init mem_init(void)
        BUILD_BUG_ON(TASK_SIZE_32                       > TASK_SIZE_64);
 #endif
 
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
-       /*
-        * Make sure we chose the upper bound of sizeof(struct page)
-        * correctly when sizing the VMEMMAP array.
-        */
-       BUILD_BUG_ON(sizeof(struct page) > (1 << STRUCT_PAGE_MAX_SHIFT));
-#endif
-
        if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) {
                extern int sysctl_overcommit_memory;
                /*