The commit f1477c4 mentioned in manual page swap header has a hard limit
for usable page count, which user will very likely miss unless there is a
run time warning.
Signed-off-by: Sami Kerola <kerolasa@xxxxxx>
---
disk-utils/mkswap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/disk-utils/mkswap.c b/disk-utils/mkswap.c
index 71503f4..16e7b1e 100644
--- a/disk-utils/mkswap.c
+++ b/disk-utils/mkswap.c
@@ -556,6 +556,9 @@ main(int argc, char **argv) {
(long)(MIN_GOODPAGES * pagesize/1024));
usage(stderr);
}
+ if (UINT_MAX < PAGES)
+ warnx(_("warning: swap area exceeds greatest number of supported pages by %llu"),
+ PAGES - UINT_MAX);
#ifdef __linux__
if (get_linux_version() >= KERNEL_VERSION(2,3,4))
--
1.8.3.4
--
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