Red Hat Bugzilla – Bug 111768
/proc/pid/statm can return negative values
Last modified: 2007-11-30 17:06:53 EST
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Description of problem:
Linux memory value reported under /proc/ can become negative
# cat /proc/14907/statm
2116 1350 -2644 53 0 1297 539
This is most likely a result of a type discrepancy in proc/array.c
return sprintf(buffer,"%d %d %d %d %d %d %d\n",
size, resident, share, trs, lrs, drs, dt);
share = mm->mm_stat.sharable;
int share in proc/array.c
unsigned long in sched.h:mm_stat
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Problem arises for huge shared memory values.
This problem is in AS2.1, havent tested in RHEL 3
An errata has been issued which should help the problem described in this bug report.
This report is therefore being closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, please follow the link below. You may reopen
this bug report if the solution does not work for you.