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-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 @@
14 14
15/* Code active when included from pre-boot environment: */ 15/* Code active when included from pre-boot environment: */
16 16
17/*
18 * Some architectures want to ensure there is no local data in their
19 * pre-boot environment, so that data can arbitarily relocated (via
20 * GOT references). This is achieved by defining STATIC_RW_DATA to
21 * be null.
22 */
23#ifndef STATIC_RW_DATA
24#define STATIC_RW_DATA static
25#endif
26
17/* A trivial malloc implementation, adapted from 27/* A trivial malloc implementation, adapted from
18 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 28 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
19 */ 29 */
20static unsigned long malloc_ptr; 30STATIC_RW_DATA unsigned long malloc_ptr;
21static int malloc_count; 31STATIC_RW_DATA int malloc_count;
22 32
23static void *malloc(int size) 33static void *malloc(int size)
24{ 34{