From: Wei Liu <wei.liu2@citrix.com>
Date: Thu, 23 Mar 2017 16:06:28 +0000 (+0000)
Subject: arm/mm: remove unused p2m_refcount in page_info
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~2411
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=60c59f58765ae941f70212d3243e2bfadfec9906;p=xen.git

arm/mm: remove unused p2m_refcount in page_info

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

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
---

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 {