tree 9857c973136e70758c603c8c829acfc6d21a7ee3
parent 941e0727af12c05dfde131b563ad827e29abb37b
author Chia-hung Duan <chiahungduan@google.com> 1665701524 +0000
committer Copybara-Service <copybara-worker@google.com> 1665704197 -0700

[scudo] Support partial page releasing

Block grouping enables us doing partial page releasing so that we can
release the pages in a finer granularity. Which means we don't need to
visit all blocks to determine which pages are unused. Besides, this
means we can do incremental page releasing depends on the number fo free
blocks.

Reviewed By: cryptoad, cferris

Differential Revision: https://reviews.llvm.org/D134226

GitOrigin-RevId: 9c26f51f5e178ac0fda98419e3a61d205d3b58b1