Re: [RFC patch] vm: clear swap entry before copying pte

[Hillf Danton]

Hi Hugh,

On Tue, Jul 31, 2012 at 10:34 AM, Hugh Dickins <hughd@xxxxxxxxxx> wrote:
> But I can see that the lack of reinitialization of entry.val here
> does raise doubt and confusion.  A better tidyup would be to remove
> the initialization of swp_entry_t entry from its onstack declaration,
> and do it at the again label instead.


I just want to avoid allocating page in add_swap_count_continuation()
for non clear reason, as you see, which is not a bug fix.

Thanks,
		Hillf
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