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venti: warn when opening /dev/swap fails

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This commit is contained in:
Noam Preil 2021-06-21 03:56:14 +00:00
parent e7715ce2c6
commit 065cf0b708
1 changed files with 2 additions and 0 deletions
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2
sys/src/cmd/venti/srv/venti.c
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@ -55,6 +55,8 @@ freemem(void)
Bterm(bp);
if (pgsize > 0 && userpgs > 0 && userused > 0)
size = (userpgs - userused) * pgsize;
} else {
fprint(2, "%s: failed to open /dev/swap\n", argv0);
}
/* cap it to keep the size within 32 bits */
if (size >= 3840UL * 1024 * 1024){