Messages in this thread | | | Date | Mon, 26 Jul 2010 07:26:27 +0900 | Subject | Re: [PATCH] Tight check of pfn_valid on sparsemem - v3 | From | Minchan Kim <> |
| |
2010/7/26 Penttilä Mika <mika.penttila@ixonos.com>: > I don't think this works because if the memmap pages get reused, the corresponding struct page->private could be used by chance in such a way that it has the value of MEMMAP_HOLE. Of course unlikely but possible. And after all the whole point of freeing part of the memmap is that it could be reused. >
You're absolutely right. Previous version, I didn't do such as. In this version, I wanted to remove dependency of page->private and mem_section to identify hole memmap for using it in FLATMEM of ARM but make mistake. I will resend the patch
Thanks for careful review.
> --Mika > > > >
-- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |