Slab no longer needs FreeNode header
commitd20c947187dd5041e2d6e9a79d216f59199bb17d
authorEdwin Smith <smith@fb.com>
Thu, 1 Feb 2018 15:50:30 +0000 (1 07:50 -0800)
committerHhvm Bot <hhvm-bot@users.noreply.github.com>
Thu, 1 Feb 2018 16:09:41 +0000 (1 08:09 -0800)
tree602a19b64ac39e7a38ecc1a4a61eba839a2ff88b
parent415255d5968d57f745193843cd2fe05678d05f5a
Slab no longer needs FreeNode header

Summary:
There's no longer any need to store sizeof(Slab) in the header
of each slab; stop doing it and adjust allocSize() accordingly.

Reviewed By: swtaarrs, alexeyt

Differential Revision: D6848601

fbshipit-source-id: 388bb78724ef571fabc7d96df2fc490f80a0bbef
hphp/runtime/base/memory-manager-defs.h