From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH v2] drm/i915: Shrink the GEM kmem_caches upon idling Date: Tue, 16 Jan 2018 15:12:43 +0000 Message-ID: <4ce412fe-13d0-b06b-4e4d-7fe14bbb7ef4@linux.intel.com> References: <20180116130519.16255-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id C10E56E253 for ; Tue, 16 Jan 2018 15:12:45 +0000 (UTC) In-Reply-To: <20180116130519.16255-1-chris@chris-wilson.co.uk> Content-Language: en-GB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDE2LzAxLzIwMTggMTM6MDUsIENocmlzIFdpbHNvbiB3cm90ZToKPiBXaGVuIHdlIGZpbmFs bHkgZGVjaWRlIHRoZSBncHUgaXMgaWRsZSwgdGhhdCBpcyBhIGdvb2QgdGltZSB0byBzaHJpbmsK PiBvdXIga21lbV9jYWNoZXMuCj4gCj4gdjI6IENvbW1lbnQgdXBvbiB0aGUgcmFuZG9tIHNwcmlu a2xpbmcgb2YgcmN1X2JhcnJpZXIoKSBpbnNpZGUgdGhlIGlkbGUKPiB3b3JrZXIuCj4gCj4gU2ln bmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6 IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBsaW51eC5pbnRlbC5jb20+Cj4gLS0tCj4g ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgMzAgKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrCj4gICAxIGZpbGUgY2hhbmdlZCwgMzAgaW5zZXJ0aW9ucygrKQo+IAo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9nZW0uYwo+IGluZGV4IDMzNTczMWM5M2I0YS4uNjFiMTNmZGZhYTcxIDEw MDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiArKysgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gQEAgLTQ3MTYsNiArNDcxNiwyMSBAQCBpOTE1 X2dlbV9yZXRpcmVfd29ya19oYW5kbGVyKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKPiAgIAl9 Cj4gICB9Cj4gICAKPiArc3RhdGljIHZvaWQgc2hyaW5rX2NhY2hlcyhzdHJ1Y3QgZHJtX2k5MTVf cHJpdmF0ZSAqaTkxNSkKPiArewo+ICsJLyoKPiArCSAqIGttZW1fY2FjaGVfc2hyaW5rKCkgZGlz Y2FyZHMgZW1wdHkgc2xhYnMgYW5kIHJlb3JkZXJzIHBhcnRpYWxseQo+ICsJICogZmlsbGVkIHNs YWJzIHRvIHByaW9yaXRpc2UgYWxsb2NhdGluZyBmcm9tIHRoZSBtb3N0bHkgZnVsbCBzbGFicywK PiArCSAqIHdpdGggdGhlIGFpbSBvZiByZWR1Y2luZyBmcmFnbWVudGF0aW9uLgo+ICsJICovCj4g KwlrbWVtX2NhY2hlX3NocmluayhpOTE1LT5wcmlvcml0aWVzKTsKPiArCWttZW1fY2FjaGVfc2hy aW5rKGk5MTUtPmRlcGVuZGVuY2llcyk7Cj4gKwlrbWVtX2NhY2hlX3NocmluayhpOTE1LT5yZXF1 ZXN0cyk7Cj4gKwlrbWVtX2NhY2hlX3NocmluayhpOTE1LT5sdXRzKTsKPiArCWttZW1fY2FjaGVf c2hyaW5rKGk5MTUtPnZtYXMpOwo+ICsJa21lbV9jYWNoZV9zaHJpbmsoaTkxNS0+b2JqZWN0cyk7 Cj4gK30KPiArCj4gICBzdGF0aWMgaW5saW5lIGJvb2wKPiAgIG5ld19yZXF1ZXN0c19zaW5jZV9s YXN0X3JldGlyZShjb25zdCBzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSkKPiAgIHsKPiBA QCAtNDgwMyw2ICs0ODE4LDIxIEBAIGk5MTVfZ2VtX2lkbGVfd29ya19oYW5kbGVyKHN0cnVjdCB3 b3JrX3N0cnVjdCAqd29yaykKPiAgIAkJR0VNX0JVR19PTighZGV2X3ByaXYtPmd0LmF3YWtlKTsK PiAgIAkJaTkxNV9xdWV1ZV9oYW5nY2hlY2soZGV2X3ByaXYpOwo+ICAgCX0KPiArCj4gKwkvKgo+ ICsJICogV2UgdXNlIG1hZ2ljYWwgVFlQRVNBRkVfQllfUkNVIGttZW1fY2FjaGVzIHdob3NlIHBh Z2VzIGFyZSBub3QKPiArCSAqIHJldHVybmVkIHRvIHRoZSBzeXN0ZW0gaW1lZGlhdGVseSBidXQg b25seSBhZnRlciBhbiBSQ1UgZ3JhY2UKPiArCSAqIHBlcmlvZC4gV2Ugd2FudCB0byBlbmNvdXJh Z2Ugc3VjaCBwYWdlcyB0byBiZSByZXR1cm5lZCBhbmQgc28KPiArCSAqIGluY29ycG9yYXRlIGEg UkNVIGJhcnJpZXIgaGVyZSB0byBwcm92aWRlIHNvbWUgcmF0ZSBsaW1pdGluZwo+ICsJICogb2Yg dGhlIGRyaXZlciBhbmQgZmx1c2ggdGhlIG9sZCBwYWdlcyBiZWZvcmUgd2UgZnJlZSBhIG5ldyBi YXRjaAo+ICsJICogZnJvbSB0aGUgbmV4dCByb3VuZCBvZiBzaHJpbmtpbmcuCj4gKwkgKi8KPiAr CXJjdV9iYXJyaWVyKCk7CgpTaG91bGQgdGhpcyBnbyBpbnRvIHRoZSBjb25kaXRpb25hbCBiZWxv dz8gSSBkb24ndCB0aGluayBpdCBtYWtlcyBhIApkaWZmZXJlbmNlIGVmZmVjdGl2ZWx5LCBidXQg bWF5IGJlIG1vcmUgbG9naWNhbC4KCj4gKwo+ICsJaWYgKCFuZXdfcmVxdWVzdHNfc2luY2VfbGFz dF9yZXRpcmUoZGV2X3ByaXYpKSB7Cj4gKwkJX19pOTE1X2dlbV9mcmVlX3dvcmsoJmRldl9wcml2 LT5tbS5mcmVlX3dvcmspOwoKSSB0aG91Z2h0IGZvciBhIGJpdCBpZiByZS11c2luZyB0aGUgd29y a2VyIGZyb20gaGVyZSBpcyBjb21wbGV0ZWx5IGZpbmUgCmJ1dCBJIHRoaW5rIGl0IGlzLiBXZSBl eHBlY3Qgb25seSBvbmUgcGFzcyB3aGVuIGNhbGxlZCBmcm9tIGhlcmUgc28gCm5lZWRfcmVzY2hl ZCB3aWxsIGJlIGNvcnJlY3RseSBuZXV0cmFsaXplZC9ub3QtcmVsZXZhbnQgZnJvbSB0aGlzIHBh dGguIApIbSwgdW5sZXNzIGlmIHdlIGNvbnNpZGVyIG1tYXBfZ3R0IHVzZXJzLi4gc28gd2UgY291 bGQgc3RpbGwgaGF2ZSBuZXcgCm9iamVjdHMgYXBwZWFyaW5nIG9uIHRoZSBmcmVlX2xpc3QgYWZ0 ZXIgdGhlIDFzdCBwYXNzLiBBbmQgdGhlbiAKbmVlZF9yZXNjaGVkIG1pZ2h0IGtpY2sgdXMgb3V0 LiBXaGF0IGRvIHlvdSB0aGluaz8KClJlZ2FyZHMsCgpUdnJ0a28KCj4gKwkJc2hyaW5rX2NhY2hl cyhkZXZfcHJpdik7Cj4gKwl9Cj4gICB9Cj4gICAKPiAgIGludCBpOTE1X2dlbV9zdXNwZW5kKHN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiAKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==