X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fjffs2%2Fsummary.h;h=60207a2ae952777ee80445edddb9e57b8fc976e5;hb=dd38d298385cb054263e634cf94cf18dc3ae1fc1;hp=8bf34f2fa5ce30b6f50f9d16de3ad5b9df31195e;hpb=821f3eff7cdb9d6c7076effabd46c96c322daed1;p=karo-tx-linux.git

diff --git a/fs/jffs2/summary.h b/fs/jffs2/summary.h
index 8bf34f2fa5ce..60207a2ae952 100644
--- a/fs/jffs2/summary.h
+++ b/fs/jffs2/summary.h
@@ -13,6 +13,12 @@
 #ifndef JFFS2_SUMMARY_H
 #define JFFS2_SUMMARY_H
 
+/* Limit summary size to 64KiB so that we can kmalloc it. If the summary
+   is larger than that, we have to just ditch it and avoid using summary
+   for the eraseblock in question... and it probably doesn't hurt us much
+   anyway. */
+#define MAX_SUMMARY_SIZE 65536
+
 #include <linux/uio.h>
 #include <linux/jffs2.h>