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SubjectRe: [RFC v2 02/34] mm, slub: allocate private object map for sysfs listings
On Wed, 9 Jun 2021, Vlastimil Babka wrote:

> The handlers of sysfs files alloc_calls and free_calls also currently use this
> shared bitmap, but their syscall context makes it straightforward to allocate a
> private map before entering locked sections, so switch these processing paths
> to use a private bitmap.

Historically that was the case but there were various issues with
recursion via sysfs etc etc. alloca was too stack intensive.... Hopefully
this one will last.

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