pitrou commented on a change in pull request #10186:
URL: https://github.com/apache/arrow/pull/10186#discussion_r622885877
##########
File path: cpp/src/arrow/memory_pool.cc
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@@ -253,6 +253,8 @@ class SystemAllocator {
#endif
}
}
+
+ static void ReleaseUnused() {}
Review comment:
Note the glibc has
[malloc_trim](https://man7.org/linux/man-pages/man3/malloc_trim.3.html). This
can probably be used depending if the `__GLIBC__` macro is present.
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