uml_mkcow depends on PAGE_SIZE

PATCH New Matt Zimmerman 1 participant 1 message Sep 5, 2003 User-mode Linux (UML)

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Matt Zimmerman

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2003-09-05 18:06 UTC #0 lore raw

PATCH 1/1 uml_mkcow depends on PAGE_SIZE

This caused uml_mkcow to fail to build on several Debian architectures. It is also my understanding that the page size can be different for different systems within an architecture (and so needs to be determined at runtime).

Signature · 1 line

 - mdz

Index: moo/uml_mkcow.c
===================================================================
RCS file: /var/lib/cvs/debian/packages/uml-utilities/moo/uml_mkcow.c,v retrieving revision 1.1.1.1
retrieving revision 1.2

uml_mkcow.c +2 -1

diff -u -u -r1.1.1.1 -r1.2
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/user.h>

@@ -57,7 +58,7 @@
 	exit(1);
   }
   
-  if(init_cow_file(fd, cow_file, backing_file, 512, PAGE_SIZE, 
+  if(init_cow_file(fd, cow_file, backing_file, 512, sysconf(_SC_PAGESIZE), 
 		   &bitmap_offset_out, &bitmap_len_out, &data_offset_out)){
 	perror("write_cow_header");
 	exit(1);