[Xen-devel] RE: A race condition in xenlinux exit_mmap

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>---
a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/mmu.h    Sat
Jul 29 14:05:59 2006 +0100
>+++
b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/mmu.h    Tue
Aug 01 20:32:25 2006 +0800
>@@ -18,6 +18,7 @@ typedef struct {
> #ifdef CONFIG_XEN
>       unsigned pinned:1;
>       struct list_head unpinned;
>+      int has_foreign_mappings;
> #endif
> } mm_context_t;

May I suggest using a bit field adjacent to the already existing one
here?

Jan
 

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