From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Hellstrom Subject: Re: GEM memory DOS (WAS Re: [PATCH 3/3] drm/ttm: under memory pressure minimize the size of memory pool) Date: Wed, 13 Aug 2014 14:48:09 +0200 Message-ID: <53EB5E89.50801@vmware.com> References: <1407901926-24516-1-git-send-email-j.glisse@gmail.com> <1407901926-24516-4-git-send-email-j.glisse@gmail.com> <53EB2A91.3000804@vmware.com> <20140813104246.GP10500@phenom.ffwll.local> <53EB5BA8.3010206@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from smtp-outbound-2.vmware.com (smtp-outbound-2.vmware.com [208.91.2.13]) by gabe.freedesktop.org (Postfix) with ESMTP id 32A656E10A for ; Wed, 13 Aug 2014 05:48:27 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: David Herrmann Cc: "dri-devel@lists.freedesktop.org" , =?UTF-8?B?TWljaGVsIETDpG56ZXI=?= , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Konrad Rzeszutek Wilk List-Id: dri-devel@lists.freedesktop.org T24gMDgvMTMvMjAxNCAwMjo0MCBQTSwgRGF2aWQgSGVycm1hbm4gd3JvdGU6Cj4gSGkKPgo+IE9u IFdlZCwgQXVnIDEzLCAyMDE0IGF0IDI6MzUgUE0sIFRob21hcyBIZWxsc3Ryb20gPHRoZWxsc3Ry b21Adm13YXJlLmNvbT4gd3JvdGU6Cj4+IE9uIDA4LzEzLzIwMTQgMTI6NDIgUE0sIERhbmllbCBW ZXR0ZXIgd3JvdGU6Cj4+PiBPbiBXZWQsIEF1ZyAxMywgMjAxNCBhdCAxMTowNjoyNUFNICswMjAw LCBUaG9tYXMgSGVsbHN0cm9tIHdyb3RlOgo+Pj4+IE9uIDA4LzEzLzIwMTQgMDU6NTIgQU0sIErD qXLDtG1lIEdsaXNzZSB3cm90ZToKPj4+Pj4gRnJvbTogSsOpcsO0bWUgR2xpc3NlIDxqZ2xpc3Nl QHJlZGhhdC5jb20+Cj4+Pj4+Cj4+Pj4+IFdoZW4gZXhwZXJpZW5jaW5nIG1lbW9yeSBwcmVzc3Vy ZSB3ZSB3YW50IHRvIG1pbmltaXplIHBvb2wgc2l6ZSBzbyB0aGF0Cj4+Pj4+IG1lbW9yeSB3ZSBq dXN0IHNocmlua2VkIGlzIG5vdCBhZGRlZCBiYWNrIGFnYWluIGp1c3QgYXMgdGhlIG5leHQgdGhp bmcuCj4+Pj4+Cj4+Pj4+IFRoaXMgd2lsbCBkaXZpZGUgYnkgMiB0aGUgbWF4aW11bSBwb29sIHNp emUgZm9yIGVhY2ggZGV2aWNlIGVhY2ggdGltZQo+Pj4+PiB0aGUgcG9vbCBoYXZlIHRvIHNocmlu ay4gVGhlIGxpbWl0IGlzIGJ1bXBlZCBhZ2FpbiBpcyBuZXh0IGFsbG9jYXRpb24KPj4+Pj4gaGFw cGVuIGFmdGVyIG9uZSBzZWNvbmQgc2luY2UgdGhlIGxhc3Qgc2hyaW5rLiBUaGUgb25lIHNlY29u ZCBkZWxheSBpcwo+Pj4+PiBvYnZpb3VzbHkgYW4gYXJiaXRyYXJ5IGNob2ljZS4KPj4+PiBKw6ly w7RtZSwKPj4+Pgo+Pj4+IEkgZG9uJ3QgbGlrZSB0aGlzIHBhdGNoLiBJdCBhZGRzIGV4dHJhIGNv bXBsZXhpdHkgYW5kIGl0cyB1c2VmdWxuZXNzIGlzCj4+Pj4gaGlnaGx5IHF1ZXN0aW9uYWJsZS4K Pj4+PiBUaGVyZSBhcmUgYSBudW1iZXIgb2YgY2FjaGVzIGluIHRoZSBzeXN0ZW0sIGFuZCBpZiBh bGwgb2YgdGhlbSBhZGRlZAo+Pj4+IHNvbWUgc29ydCBvZiB2b2x1bnRhcnkgc2hyaW5rIGhldXJp c3RpY3MgbGlrZSB0aGlzLCB3ZSdkIGVuZCB1cCB3aXRoCj4+Pj4gaW1wb3NzaWJsZS10by1kZWJ1 ZyB1bnByZWRpY3RhYmxlIHBlcmZvcm1hbmNlIGlzc3Vlcy4KPj4+Pgo+Pj4+IFdlIHNob3VsZCBs ZXQgdGhlIG1lbW9yeSBzdWJzeXN0ZW0gZGVjaWRlIHdoZW4gdG8gcmVjbGFpbSBwYWdlcyBmcm9t Cj4+Pj4gY2FjaGVzIGFuZCB3aGF0IGNhY2hlcyB0byByZWNsYWltIHRoZW0gZnJvbS4KPj4+IFll YWgsIGFydGlmaWNpYWxseSBsaW1pdGluZyB5b3VyIGNhY2hlIGZyb20gZ3Jvd2luZyB3aGVuIHlv dXIgc2hyaW5rZXIKPj4+IGdldHMgY2FsbGVkIHdpbGwganVzdCBicmVhayB0aGUgZXF1YWwtbWVt b3J5IHByZXNzdXJlIHRoZSBjb3JlIG1tIHVzZXMgdG8KPj4+IHJlYmFsYW5jZSBiZXR3ZWVuIGFs bCBjYWNoZXMgd2hlbiB3b3JrbG9hZCBjaGFuZ2VzLiBJbiBpOTE1IHdlIGxldAo+Pj4gZXZlcnl0 aGluZyBncm93IHdpdGhvdXQgYXJ0aWZpY2lhbCBib3VuZHMgYW5kIG9ubHkgcmVseSB1cG9uIHRo ZSBzaHJpbmtlcgo+Pj4gY2FsbGJhY2tzIHRvIGVuc3VyZSB3ZSBkb24ndCBjb25zdW1lIG1vcmUg dGhhbiBvdXIgZmFpciBzaGFyZSBvZiBhdmFpbGFibGUKPj4+IG1lbW9yeSBvdmVyYWxsLgo+Pj4g LURhbmllbAo+PiBOb3cgd2hlbiB5b3UgYnJpbmcgaTkxNSBtZW1vcnkgdXNhZ2UgdXAsIERhbmll bCwKPj4gSSBjYW4ndCByZWZyYWluIGZyb20gYnJpbmdpbmcgdXAgdGhlIG9sZCB1c2VyLXNwYWNl IHVucmVjbGFpbWFibGUga2VybmVsCj4+IG1lbW9yeSBpc3N1ZSwgZm9yIHdoaWNoIGdlbSBvcGVu IGlzIGEgZ29vZCBleGFtcGxlIDspIEVhY2ggdGltZQo+PiB1c2VyLXNwYWNlIG9wZW5zIGEgZ2Vt IGhhbmRsZSwgc29tZSB1bi1yZWNsYWltYWJsZSBrZXJuZWwgbWVtb3J5IGlzCj4+IGFsbG9jYXRl ZCwgZm9yIHdoaWNoIHRoZXJlIGlzIG5vIGFjY291bnRpbmcsIHNvIHRoZW9yZXRpY2FsbHkgSSB0 aGluayBhCj4+IHVzZXIgY2FuIGJyaW5nIGEgc3lzdGVtIHRvIHVudXNhYmlsaXR5IHRoaXMgd2F5 Lgo+Pgo+PiBUeXBpY2FsbHkgdGhlcmUgYXJlIHZhcmlvdXMgbGltaXRzIG9uIHVucmVjbGFpbWFi bGUgb2JqZWN0cyBsaWtlIHRoaXMsCj4+IGxpa2Ugb3BlbiBmaWxlIGRlc2NyaXB0b3JzLCBhbmQg SUlSQyB0aGUga2VybmVsIGV2ZW4gaGFzIGFuIGludGVybmFsCj4+IGxpbWl0IG9uIHRoZSBudW1i ZXIgb2Ygc3RydWN0IGZpbGVzIHlvdSBpbml0aWFsaXplLCBiYXNlZCBvbiB0aGUKPj4gYXZhaWxh YmxlIHN5c3RlbSBtZW1vcnksIHNvIGRtYS1idWYgLyBwcmltZSBzaG91bGQgYWxyZWFkeSBoYXZl IHNvbWUKPj4gc29ydCBvZiBwcm90ZWN0aW9uLgo+IGdlbS0+ZmlscCBwb2ludHMgdG8gYSBmcmVz aCBzaG1lbSBmaWxlLCB3aGljaCBpdHNlbGYgaXMgbGltaXRlZCBsaWtlCj4gZG1hYnVmLiBUaGF0 IHNob3VsZCBzdWZmaWNlLCByaWdodD8KPgo+IFRoYW5rcwo+IERhdmlkCkknbSB0aGlua2luZyBv ZiBzaXR1YXRpb25zIHdoZXJlIHlvdSBoYXZlIGEgZ2VtIG5hbWUgYW5kIG9wZW4gYSBuZXcKaGFu ZGxlLiBJdCBhbGxvY2F0ZXMgYSBuZXcgdW5hY2NvdW50ZWQgaWRyIG9iamVjdC4gQWRtaXR0ZWRs eSB5b3UnZCBoYXZlCnRvIG9wZW4gYSBoZWxsIG9mIGEgbG90IG9mIG5ldyBoYW5kbGVzIHRvIHN0 cmVzcyB0aGUgc3lzdGVtLCBidXQgdGhhdCdzCmFuIGV4YW1wbGUgb2YgdGhlIHNpdHVhdGlvbiBJ J20gdGhpbmtpbmcgb2YuIFNpbWlsYXJseSBwZXJoYXBzIGlmIHlvdQpjcmVhdGUgYSBnZW0gaGFu ZGxlIGZyb20gYSBwcmltZSBmaWxlLWRlc2NyaXB0b3IgYnV0IEkgaGF2ZW4ndCBsb29rZWQgYXQK dGhhdCBjb2RlIGluIGRldGFpbC4KClRoYW5rcwoKL1Rob21hcwoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmkt ZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK