diff -Naur ../jemalloc-3.0.0.orig/COPYING.epel5-ppc ./COPYING.epel5-ppc

--- ../jemalloc-3.0.0.orig/COPYING.epel5-ppc	1970-01-01 01:00:00.000000000 +0100

+++ ./COPYING.epel5-ppc	2012-05-18 16:21:31.869392165 +0200

@@ -0,0 +1,215 @@

+When using this jemalloc package with EPEL5 on ppc, please note that a

+non-upstream patch has been added. This patch is covered by the Apache

+2.0 License, which states that this work is

+

+   Licensed under the Apache License, Version 2.0 (the "License");

+   you may not use this file except in compliance with the License.

+

+For other platforms and operating systems, please ignore this file.

+

+The patch adds missing 32bit atomic operations that is missing from

+RHEL5 and its derivates on ppc/ppc64. The code was fetched from the

+Apache Portable Runtime project, http://apr.apache.org/

+

+

+

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diff -Naur ../jemalloc-3.0.0.orig/include/jemalloc/internal/atomic.h ./include/jemalloc/internal/atomic.h

--- ../jemalloc-3.0.0.orig/include/jemalloc/internal/atomic.h	2012-05-12 02:50:38.000000000 +0200

+++ ./include/jemalloc/internal/atomic.h	2012-05-18 15:55:34.457212405 +0200

@@ -242,6 +242,33 @@

 	return (__sync_sub_and_fetch(p, x));

 }

+#elif (defined(__ppc__) || defined(__PPC__))

+// Code fetched from the boost library

+// 

+JEMALLOC_INLINE uint32_t

+atomic_add_uint32(uint32_t *p, uint32_t x)

+{

+	uint32_t prev, temp;

+

+	asm volatile ("0:\n\t"                 // retry local label     

+               "lwarx  %0,0,%2\n\t"       // load prev and reserve 

+               "add    %1,%0,%3\n\t"      // temp = prev + x 

+               "stwcx. %1,0,%2\n\t"       // conditionally store   

+               "bne-   0b"                // start over if we lost

+                                          // the reservation

+               //XXX find a cleaner way to define the temp         

+               //it's not an output

+               : "=&r" (prev), "=&r" (temp)        // output, temp 

+               : "b" (p), "r" (x)                  // inputs       

+               : "memory", "cc");                  // clobbered    

+	return temp;

+}

+

+JEMALLOC_INLINE uint32_t

+atomic_sub_uint32(uint32_t *p, uint32_t x)

+{

+	return atomic_add_uint32(p, -x);

+}

 #else

 #  error "Missing implementation for 32-bit atomic operations"

 #endif