Re: Linux 2.6.7-rc2

From: Andrew Morton
Date: Mon May 31 2004 - 04:28:53 EST


Peter Osterlund <petero2@xxxxxxxxx> wrote:
>
> If I put "#if 0" around the *wdata assignment in nfs_writepage_sync,
> the stack usage goes down to 36, so it looks like gcc is building a
> temporary structure on the stack and then copies the whole thing to
> *wdata.

aww, crap.

> Does this construct save stack space for any version of gcc? Maybe the
> code should be changed to do a memset() followed by explicit
> initialization of the non-zero member variables instead.

yes, we should do that.
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