Re: [PATCH] 2.4: Restore current->files in flush_old_exec
From: Andreas Gruenbacher
Date: Fri Aug 08 2003 - 21:24:51 EST
On Sat, 9 Aug 2003, Herbert Xu wrote:
> On Sat, Aug 09, 2003 at 11:11:16AM +1000, herbert wrote:
> > At this point, I believe the unshare_files stuff should be fine from
> > a correctness point of view. However, there is still a performance
> > problem as every ELF exec call ends up dupliating the files structure
> > as well as walking through all file locks.
> Here is the patch that ensures files is only duplicated when necessary.
This patch is correct but unnecessary: steal_locks already tests for this
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