mm: per-thread vma caching

[deliverable/linux.git] / include / linux / mm_types.h

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 290901a8c1de9f0193ae3e2c640c070623431081..2b58d192ea2401071c6a44d84286ba956acc939d 100644 (file)
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -342,9 +342,9 @@ struct mm_rss_stat {
 
 struct kioctx_table;
 struct mm_struct {
-       struct vm_area_struct * mmap;           /* list of VMAs */
+       struct vm_area_struct *mmap;            /* list of VMAs */
        struct rb_root mm_rb;
-       struct vm_area_struct * mmap_cache;     /* last find_vma result */
+       u32 vmacache_seqnum;                   /* per-thread vmacache */
 #ifdef CONFIG_MMU
        unsigned long (*get_unmapped_area) (struct file *filp,
                                unsigned long addr, unsigned long len,