[PATCH] x86_64: Add boot option to disable randomized mappings and cleanup

[linux-2.6-omap-h63xx.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c643016499a17860605566a77ea2c622f83f0ffe..26e1663a5cbe474597b6fe75f5d2b00f2c09e20a 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -303,7 +303,7 @@ struct page {
  */
 #define put_page_testzero(p)                           \
        ({                                              \
-               BUG_ON(page_count(p) == 0);             \
+               BUG_ON(atomic_read(&(p)->_count) == -1);\
                atomic_add_negative(-1, &(p)->_count);  \
        })
 
@@ -512,7 +512,7 @@ static inline void set_page_links(struct page *page, unsigned long zone,
 extern struct page *mem_map;
 #endif
 
-static inline void *lowmem_page_address(struct page *page)
+static __always_inline void *lowmem_page_address(struct page *page)
 {
        return __va(page_to_pfn(page) << PAGE_SHIFT);
 }
@@ -1051,5 +1051,7 @@ int shrink_slab(unsigned long scanned, gfp_t gfp_mask,
 void drop_pagecache(void);
 void drop_slab(void);
 
+extern int randomize_va_space;
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */