On Thu, Feb 06, 2020 at 06:09:40PM -0700, Andreas Dilger wrote: > Don't use mallinfo() for determining the amount of memory used if it > is over 2GB. Otherwise, the signed ints used by this interface can > can overflow and return garbage values. This makes the actual amount > of memory used by e2fsck misleading and hard to determine. > > Instead, use brk() to get the total amount of memory allocated, and print > this if the more detailed mallinfo() information is not suitable for use. > > There does not appear to be a mallinfo64() variant of this function. > There does appear to be an abomination named malloc_info() that writes > XML-formatted malloc stats to a FILE stream that would need to be read > and parsed in order to get these stats, but that doesn't seem worthwhile. > > Signed-off-by: Andreas Dilger <adilger@xxxxxxxxxxxxx> > Reviewed-by: Shilong Wang <wshilong@xxxxxxx> > Lustre-bug-id: https://jira.whamcloud.com/browse/LU-13197 Applied, thanks. - Ted
