Re: [PATCH -mm 2/2] mm: do not reset mm->free_area_cache on every single munmap

[Andi Kleen]

Rik van Riel <riel@xxxxxxxxxx> writes:

> Some programs have a large number of VMAs, and make frequent calls
> to mmap and munmap. Having munmap constantly cause the search
> pointer for get_unmapped_area to get reset can cause a significant
> slowdown for such programs. 

This would be a much nicer patch if you split it into one that merges
all the copy'n'paste code and another one that actually implements
the new algorithm.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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