Re: 2.4.10aa1 - 0-order allocation failed.

Marcelo Tosatti (marcelo@conectiva.com.br)
Wed, 26 Sep 2001 17:24:28 -0300 (BRT)


On Wed, 26 Sep 2001, Andrea Arcangeli wrote:

<snip>

> > Andrea,
> >
> > This is going to make __GFP_NOFS allocations call writepage(): deadlock.
>
> (side note: I assume you mean GFP_NOFS)
>
> GFP_NOFS will never call writepage with the above change, obviously
> because __GFP_FS isn't set. So it can't deadlock.

if ((gfp_mask & __GFP_FS) && ((gfp_mask & __GFP_HIGHIO) || !PageHighMem(page)) && writepage) {

^^ ^^^^^ ^^^^ ^^^^^

If the page is not highmem, we are going to write the page. (independantly
of any GFP flag)

I'm I over looking something ?

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