[PATCH] sane mlock_limit

As David M-T points out, the default per-user mlock limit should be at least a
single page.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/linux/resource.h b/include/linux/resource.h
index b930c9cb77271039e5a77a811bb6e5677418b158..21a86cb6acdb63a95f91da65872b3643d700b2ff 100644 (file)
--- a/include/linux/resource.h
+++ b/include/linux/resource.h
@@ -59,7 +59,7 @@ struct rlimit {
  * GPG wants 32kB of mlocked memory, to make sure pass phrases
  * and other sensitive information are never written to disk.
  */
-#define MLOCK_LIMIT    (32*1024)
+#define MLOCK_LIMIT    (8 * PAGE_SIZE)
 
 /*
  * Due to binary compatibility, the actual resource numbers