On Nov 16, 2015, at 1:10 AM, 吴降龙 <[email protected]
<mailto:[email protected]>> wrote:
> How can I check whether any given address was allocated by jemalloc? Is that
> possible?
If you configure with --enable-ivsalloc, malloc_usable_size() and sallocx()
will return 0 for addresses not managed by jemalloc. Without
--enable-ivsalloc, these functions have undefined behavior (crashes are common)
for addresses not managed by jemalloc.
Jason
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