[Bugs] [Bug 1369364] Huge memory usage of FUSE client

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1369364



--- Comment #4 from Oleksandr Natalenko <oleksandr at natalenko.name> ---
http://termbin.com/66ud — the script I use trying to reproduce the leak.

Observing the following in pmap:

===
00007fe430000000    132K rw---   [ anon ]
00007fe430021000  65404K -----   [ anon ]
00007fe438000000   6564K rw---   [ anon ] ← this value increases over time...
00007fe438669000  58972K -----   [ anon ] ← ...while this value decreases over
time
00007fe43c000000    132K rw---   [ anon ]
00007fe43c021000  65404K -----   [ anon ]
00007fe440000000   6800K rw---   [ anon ]
00007fe4406a4000  58736K -----   [ anon ]
00007fe44552c000      4K -----   [ anon ]
00007fe44552d000   8192K rw---   [ anon ]
00007fe445d2d000      4K -----   [ anon ]
00007fe445d2e000  16908K rw---   [ anon ]
00007fe446db1000      4K -----   [ anon ]
00007fe446db2000  18744K rw---   [ anon ]                                      
                                                                               
                             00007fe448000000   9068K rw---   [ anon ]
00007fe4488db000  56468K -----   [ anon ]
00007fe44c027000  29424K rw---   [ anon ]
00007fe44dce3000     52K r-x-- meta.so
00007fe44dcf0000   2044K ----- meta.so
...snip...
===

Other anonymous allocations change over time as well, I have pointed only to
one pair observing similar pattern.

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