From: Alex Rousskov <rousskov@measurement-factory.com>
Date: Thu, 14 Apr 2011 22:19:10 +0000 (-0600)
Subject: Do not create shared memory pools if caching is disabled.
X-Git-Tag: take06~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9fbeec6b5f221719832c5e113dfa2f0a1f8646e2;p=thirdparty%2Fsquid.git

Do not create shared memory pools if caching is disabled.
Ipc::Mem::PagePool cannot handle zero capacity well.
---

diff --git a/src/ipc/mem/Pages.cc b/src/ipc/mem/Pages.cc
index dad5f8ca03..53f082a4a0 100644
--- a/src/ipc/mem/Pages.cc
+++ b/src/ipc/mem/Pages.cc
@@ -91,6 +91,11 @@ void SharedMemPagesRr::run(const RunnerRegistry &)
 {
     // XXX: restore if (!UsingSmp()) return;
 
+    // When cache_dirs start using shared memory pages, they would
+    // need to communicate their needs to us somehow.
+    if (!Ipc::Mem::Limit())
+        return;
+
     if (IamMasterProcess())
         Ipc::Mem::Init();
     else