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* [PATCH] arm/mm: remove unused p2m_refcount in page_info
@ 2017-03-23 16:06 Wei Liu
  2017-03-23 18:12 ` Stefano Stabellini
  0 siblings, 1 reply; 2+ messages in thread
From: Wei Liu @ 2017-03-23 16:06 UTC (permalink / raw)
  To: Xen-devel; +Cc: Julien Grall, Stefano Stabellini, Wei Liu

The code which used that field has been deleted. Found by code
inspection.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Julien Grall <julien.grall@arm.com>

Compile test only
---
 xen/include/asm-arm/mm.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/xen/include/asm-arm/mm.h b/xen/include/asm-arm/mm.h
index 60ccbf3769..4892155596 100644
--- a/xen/include/asm-arm/mm.h
+++ b/xen/include/asm-arm/mm.h
@@ -32,12 +32,6 @@ struct page_info
         struct {
             /* Type reference count and various PGT_xxx flags and fields. */
             unsigned long type_info;
-            /*
-             * Reference count for page table used in the P2M code.
-             * The counter is protected by the p2m->lock of the
-             * associated domain.
-             */
-            unsigned long p2m_refcount;
         } inuse;
         /* Page is on a free list: ((count_info & PGC_count_mask) == 0). */
         struct {
-- 
2.11.0


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2017-03-23 16:06 [PATCH] arm/mm: remove unused p2m_refcount in page_info Wei Liu
2017-03-23 18:12 ` Stefano Stabellini

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