X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fcontent%2Fbrowser%2Frenderer_host%2Frenderer_frame_manager.cc;h=0a93e2989438d20b8373ae99c6fe51a2b051a159;hb=8be7648e3bc188a587d5050c5a945c1099957e8b;hp=15c9814d61075f032ec5d3196f6eec2071c573d5;hpb=3cb1527a1d0111fd75188ac2c34c117944473076;p=platform%2Fframework%2Fweb%2Fcrosswalk.git

diff --git a/src/content/browser/renderer_host/renderer_frame_manager.cc b/src/content/browser/renderer_host/renderer_frame_manager.cc
index 15c9814..0a93e29 100644
--- a/src/content/browser/renderer_host/renderer_frame_manager.cc
+++ b/src/content/browser/renderer_host/renderer_frame_manager.cc
@@ -7,7 +7,9 @@
 #include <algorithm>
 
 #include "base/logging.h"
+#include "base/memory/shared_memory.h"
 #include "base/sys_info.h"
+#include "content/common/host_shared_bitmap_manager.h"
 
 namespace content {
 
@@ -66,14 +68,26 @@ RendererFrameManager::RendererFrameManager() {
 #else
       std::min(5, 2 + (base::SysInfo::AmountOfPhysicalMemoryMB() / 256));
 #endif
+  max_handles_ = base::SharedMemory::GetHandleLimit() / 8.0f;
 }
 
 RendererFrameManager::~RendererFrameManager() {}
 
 void RendererFrameManager::CullUnlockedFrames() {
+  uint32 saved_frame_limit = max_number_of_saved_frames();
+
+  if (unlocked_frames_.size() + locked_frames_.size() > 0) {
+    float handles_per_frame =
+        HostSharedBitmapManager::current()->AllocatedBitmapCount() * 1.0f /
+        (unlocked_frames_.size() + locked_frames_.size());
+
+    saved_frame_limit = std::max(
+        1,
+        static_cast<int>(std::min(static_cast<float>(saved_frame_limit),
+                                  max_handles_ / handles_per_frame)));
+  }
   while (!unlocked_frames_.empty() &&
-         unlocked_frames_.size() + locked_frames_.size() >
-             max_number_of_saved_frames()) {
+         unlocked_frames_.size() + locked_frames_.size() > saved_frame_limit) {
     size_t old_size = unlocked_frames_.size();
     // Should remove self from list.
     unlocked_frames_.back()->EvictCurrentFrame();