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[Qemu-devel] [PATCH v3] memory: reduce heap Rss size around 3M


From: Yang Zhong
Subject: [Qemu-devel] [PATCH v3] memory: reduce heap Rss size around 3M
Date: Wed, 15 Mar 2017 21:39:48 +0800

Since cpu-memory and memory have same address space,one malloced
memory is enough. This patch will skip memory malloc for memory
address space,which will reduce around 3M physical memory in heap.

Signed-off-by: Yang Zhong <address@hidden>
---
 memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/memory.c b/memory.c
index 64b0a60..0003b1e 100644
--- a/memory.c
+++ b/memory.c
@@ -2422,7 +2422,7 @@ AddressSpace *address_space_init_shareable(MemoryRegion 
*root, const char *name)
     AddressSpace *as;
 
     QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
-        if (root == as->root && as->malloced) {
+        if (root == as->root && as == &address_space_memory) {
             as->ref_count++;
             return as;
         }
-- 
1.9.1




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