Date: Wed, 06 May 2015 11:59:51 -0500 From: Alan Cox <alc@rice.edu> To: Gleb Smirnoff <glebius@FreeBSD.org>, kib@FreeBSD.org, alc@FreeBSD.org Cc: arch@FreeBSD.org Subject: Re: more strict KPI for vm_pager_get_pages() Message-ID: <554A4887.9080308@rice.edu> In-Reply-To: <20150506114549.GS34544@FreeBSD.org> References: <20150430142408.GS546@nginx.com> <20150506114549.GS34544@FreeBSD.org>
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On 05/06/2015 06:45, Gleb Smirnoff wrote: > Hi! > > I'm splitting the patch into a serie. This is step 1: > > Pagers are responsible to update the array of pages in > case if they replace pages in an object. All array entries > must be valid, if pager returns VM_PAGER_OK. > > Note: the only pager that replaces pages is sg_pager, and > it does that correctly. > No, look again, e.g., device_pager.
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