# Re: \[PATCH 1/7\] genalloc: track beginning of allocations

- From: Igor Stoppa \<hidden\>
- Date: 2018-03-07 10:51:46 
- List: linux-mm
- Page: https://ratatoskr.run/linux-mm/2018/03/5225725
- Thread: https://ratatoskr.run/linux-security-module/2018/02/5193835/t.md

```text


On 06/03/18 18:05, Igor Stoppa wrote:
> On 06/03/2018 16:10, Matthew Wilcox wrote:

[...]

>> This seems unnecessarily complicated.
> 
> TBH it seemed to me a natural extension of the existing encoding :-)

BTW, to provide some background, this is where it begun:

http://www.openwall.com/lists/kernel-hardening/2017/08/18/4

Probably that comment about "keeping existing behavior and managing two
bitmaps locklessly" is what made me think of growing the 1-bit-per-unit
into a 1-word-per-unit.

--
igor

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