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-rw-r--r--include/image.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/image.h b/include/image.h
index c9f4298..aab3f44 100644
--- a/include/image.h
+++ b/include/image.h
@@ -164,6 +164,13 @@ typedef struct image_header {
uint8_t ih_name[IH_NMLEN]; /* Image Name */
} image_header_t;
+/*
+ * Some systems (for example LWMON) have very short watchdog periods;
+ * we must make sure to split long operations like memmove() or
+ * crc32() into reasonable chunks.
+ */
+#define CHUNKSZ (64 * 1024)
+
#define image_to_cpu(x) ntohl(x)
#define cpu_to_image(x) htonl(x)