Index: mkfs.jffs2.c
===================================================================
RCS file: /usr/local/cvs/linux/apps/utils/mtdutils/mkfs.jffs2.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- mkfs.jffs2.c	17 Oct 2006 11:40:40 -0000	1.2
+++ mkfs.jffs2.c	6 Dec 2007 07:46:47 -0000	1.3
@@ -672,9 +672,9 @@
 	0xff, 0xff, 0xff, 0xff, 0xff
 };
 
-/* We default to 4096, per x86.  When building a fs for
- * 64-bit arches and whatnot, use the --pagesize=SIZE option */
-int page_size = 4096;
+/* We set this at start of main() using sysconf(), -1 means we don't know */
+/* When building an fs for non-native systems, use --pagesize=SIZE option */
+int page_size = -1;
 
 #include "compr.h"
 
@@ -787,6 +787,10 @@
 	struct stat *statbuf;
 	unsigned int totcomp = 0;
 
+	page_size = sysconf(_SC_PAGESIZE);
+	if (page_size < 0) /* System doesn't know so ... */
+		page_size = 4096; /* ... we make an educated guess */
+
 	statbuf = &(e->sb);
 	if (statbuf->st_size >= JFFS2_MAX_FILE_SIZE) {
 		error_msg("Skipping file \"%s\" too large.", e->path);