Re: [PATCH 7/14] drm/i915: adjust to new truncate_range

[Hugh Dickins]

On Tue, 31 May 2011, Christoph Hellwig wrote:

> >  	/* Our goal here is to return as much of the memory as
> >  	 * is possible back to the system as we are called from OOM.
> >  	 * To do this we must instruct the shmfs to drop all of its
> > -	 * backing pages, *now*. Here we mirror the actions taken
> > -	 * when by shmem_delete_inode() to release the backing store.
> > +	 * backing pages, *now*.
> >  	 */
> >  	inode = obj->base.filp->f_path.dentry->d_inode;
> > -	truncate_inode_pages(inode->i_mapping, 0);
> >  	if (inode->i_op->truncate_range)
> >  		inode->i_op->truncate_range(inode, 0, (loff_t)-1);
> > +	else
> > +		truncate_inode_pages(inode->i_mapping, 0);
> 
> Given that it relies on beeing on shmemfs it should just call it
> directly.

As agreed in other mail, I'll do a v2 series in a few days,
making that change - thanks.

Hugh
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