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[PATCH] powerpc vdso updates

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This patch cleans up some locking & error handling in the ppc vdso and
moves the vdso base pointer from the thread struct to the mm context
where it more logically belongs. It brings the powerpc implementation
closer to Ingo's new x86 one and also adds an arch_vma_name() function
allowing to print [vsdo] in /proc/<pid>/maps if Ingo's x86 vdso patch is
also applied.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2006-05-30 13:51:37 +10:00
committed by Paul Mackerras
parent 98a90c0279
commit a5bba930d8
7 changed files with 47 additions and 29 deletions
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include/asm-powerpc/page.h
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@@ -192,6 +192,9 @@ extern void copy_user_page(void *to, void *from, unsigned long vaddr,
struct page *p);
extern int page_is_ram(unsigned long pfn);
struct vm_area_struct;
extern const char *arch_vma_name(struct vm_area_struct *vma);
#include <asm-generic/memory_model.h>
#endif /* __ASSEMBLY__ */