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authorDavid S. Miller <davem@davemloft.net>2010-04-04 02:49:14 +0400
committerDavid S. Miller <davem@davemloft.net>2010-04-04 02:49:14 +0400
commit87e8b821ed8db3dab03d96cd542e29666bf210aa (patch)
tree0027060473aafbbb125655ba027319c8a1a665fc /include/linux/decompress/mm.h
parent33cd9dfa3a13e3d8e41aef225a9f98169816723b (diff)
parent5e11611a5d22252f3f9c169a3c9377eac0c32033 (diff)
downloadlinux-87e8b821ed8db3dab03d96cd542e29666bf210aa.tar.xz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/decompress/mm.h')
-rw-r--r--include/linux/decompress/mm.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 5032b9a31ae7..ad5ec1d0475e 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -14,11 +14,21 @@
/* Code active when included from pre-boot environment: */
+/*
+ * Some architectures want to ensure there is no local data in their
+ * pre-boot environment, so that data can arbitarily relocated (via
+ * GOT references). This is achieved by defining STATIC_RW_DATA to
+ * be null.
+ */
+#ifndef STATIC_RW_DATA
+#define STATIC_RW_DATA static
+#endif
+
/* A trivial malloc implementation, adapted from
* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
*/
-static unsigned long malloc_ptr;
-static int malloc_count;
+STATIC_RW_DATA unsigned long malloc_ptr;
+STATIC_RW_DATA int malloc_count;
static void *malloc(int size)
{