Re: -mm merge plans for 2.6.23

[Frank Kingswood]

Andi Kleen wrote:
> One simple way to fix this would be to implement a fadvise() flag
> that puts the dentry/inode on a "soon to be expired" list if there
> are no other references. Then if a dentry allocation needs more
> memory try to reuse dentries from that list (or better queue) first. Any other
> access will remove the dentry from the list. 
>
> Disadvantage would be that the userland would need to be patched,
> but I guess it's better than adding very dubious heuristics to the
> kernel.

Are you going to change every single large memory application in the 
world? As I wrote before, it is *not* about updatedb, but about all 
applications that use a lot of memory, and then terminate.

Frank

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