Re: Multi-Threaded fork() correctness on Linux 2.4 & 2.6

From: Hugh Dickins
Date: Mon Sep 19 2005 - 16:31:36 EST


On Mon, 19 Sep 2005, Linus Torvalds wrote:
>
> Hmm. But we do hold the mmap_sem for writing, and we flush before we
> release it, so it should still be ok. The page fault case needs to get it
> for reading anyway.
>
> Yeah, the page_table_lock might make more sense, but I think the mmap_sem
> thing works equally well.

Yes, you're both ahead of me: thank you for working that out: no issue.

Hugh
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