On Thu, May 03, 2018 at 04:09:56PM +0200, Andrey Konovalov wrote:
> On Wed, May 2, 2018 at 7:25 PM, Andrey Konovalov
> wrote:
> > On Wed, May 2, 2018 at 5:36 PM, Kirill A. Shutemov
> > wrote:
> >> On Wed, May 02, 2018 at 02:38:42PM +, Andrey Konovalov wrote:
&
t;
> I think you're right, follow_page_mask is only called from
> __get_user_pages, which already untagged the address. I'll remove
> untagging here.
It also called from follow_page(). Have you covered all its callers?
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rplate. Would we need to change every driver which implements ioctl()
to strip these bits?
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l page free
> > function is still free_page() which will indirectly call
> > free_{huge,transhuge}_page. So this patch removes this confusion
> > by renaming all the compound page dtors.
>
> Is this code churn really worth it?
Getting naming straight is kinda nit. :)
But I don
return NULL;
> + prep_transhuge_page(page);
> + return page;
> +}
> +
> unsigned long __thp_get_unmapped_area(struct file *filp, unsigned long len,
> loff_t off, unsigned long flags, unsigned long size)
> {
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On Tue, Jul 25, 2017 at 02:50:37PM +0200, Jan Kara wrote:
> On Tue 25-07-17 14:15:22, Christoph Hellwig wrote:
> > On Tue, Jul 25, 2017 at 11:35:08AM +0200, Jan Kara wrote:
> > > On Tue 25-07-17 10:01:58, Christoph Hellwig wrote:
> > > > On Tue, Jul 25, 2017 at 01:14:
euse the same spot to write
data or not. I think your assumptions works for ext4 and xfs. I wouldn't
be that sure for btrfs or other filesystems with CoW support.
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