From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Averin Subject: Re: [PATCH v2 1/1] memcg: enable accounting for pids in nested pid namespaces Date: Wed, 14 Jul 2021 09:31:34 +0300 Message-ID: <21db0c2c-45ea-fded-9633-7b76ab2b1083@virtuozzo.com> References: <7b777e22-5b0d-7444-343d-92cbfae5f8b4@virtuozzo.com> <8b6de616-fd1a-02c6-cbdb-976ecdcfa604@virtuozzo.com> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Content-Type:MIME-Version:Date:Message-ID:From: Subject; bh=CmW4WEPrBYc9JkO1ZpHwc4AZ/QqQIR1GbHwoX4kgVJY=; b=o6m5sOcYtTchWFIWd TJWZ1yyazhKhz8n6I4Mzq8WRrP5nncMBYc4zFUWIYbiTxTH7Ggl7xiv/7LteuVnDqRbTsUdZd+E0o dgPq+uUl7Y4KhHVL6YmNtWaNe/uNpa865AZKZ+sqKfeq73BLmfg/ZQHSUyLCLQU8wEFCuWjR5H5HI =; In-Reply-To: <8b6de616-fd1a-02c6-cbdb-976ecdcfa604-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org> Content-Language: en-US List-ID: Content-Type: text/plain; charset="macroman" To: Andrew Morton Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Roman Gushchin , Christian Brauner , =?UTF-8?Q?Michal_Koutn=c3=bd?= , Serge Hallyn , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Michal Hocko RGVhciBBbmRyZXcsCmNvdWxkIHlvdSBwbGVhc2UgcGljayB1cCB0aGlzIHBhdGNoIGFuZCBhZGQK IFJldmlld2VkLWJ5OiBTaGFrZWVsIEJ1dHQgPHNoYWtlZWxiLWhwSXFzRDRBS2xmUVQwZFpSK0Fs ZkFAcHVibGljLmdtYW5lLm9yZz4KClRoYW5rIHlvdSwKCVZhc2lseSBBdmVyaW4KCk9uIDQvMjQv MjEgMjo1NCBQTSwgVmFzaWx5IEF2ZXJpbiB3cm90ZToKPiBDb21taXQgNWQwOTcwNTZjOWEwICgi a21lbWNnOiBhY2NvdW50IGNlcnRhaW4ga21lbSBhbGxvY2F0aW9ucyB0byBtZW1jZyIpCj4gZW5h YmxlZCBtZW1jZyBhY2NvdW50aW5nIGZvciBwaWRzIGFsbG9jYXRlZCBmcm9tIGluaXRfcGlkX25z LnBpZF9jYWNoZXAsCj4gYnV0IGZvcmdvdCB0byBhZGp1c3QgdGhlIHNldHRpbmcgZm9yIG5lc3Rl ZCBwaWQgbmFtZXNwYWNlcy4KPiBBcyBhIHJlc3VsdCwgcGlkIG1lbW9yeSBpcyBub3QgYWNjb3Vu dGVkIGV4YWN0bHkgd2hlcmUgaXQgaXMgcmVhbGx5IG5lZWRlZCwKPiBpbnNpZGUgbWVtY2ctbGlt aXRlZCBjb250YWluZXJzIHdpdGggdGhlaXIgb3duIHBpZCBuYW1lc3BhY2VzLgo+IAo+IFBpZCB3 YXMgb25lIHRoZSBmaXJzdCBrZXJuZWwgb2JqZWN0cyBlbmFibGVkIGZvciBtZW1jZyBhY2NvdW50 aW5nLgo+IGluaXRfcGlkX25zLnBpZF9jYWNoZXAgbWFya2VkIGJ5IFNMQUJfQUNDT1VOVCBhbmQg d2UgY2FuIGV4cGVjdCB0aGF0Cj4gYW55IG5ldyBwaWRzIGluIHRoZSBzeXN0ZW0gYXJlIG1lbWNn LWFjY291bnRlZC4KPiAKPiBUaG91Z2ggcmVjZW50bHkgSSd2ZSBub3RpY2VkIHRoYXQgaXQgaXMg d3JvbmcuIG5lc3RlZCBwaWQgbmFtZXNwYWNlcyBjcmVhdGVzIAo+IG93biBzbGFiIGNhY2hlcyBm b3IgcGlkIG9iamVjdHMsIG5lc3RlZCBwaWRzIGhhdmUgaW5jcmVhc2VkIHNpemUgYmVjYXVzZSBj b250YWluIAo+IGlkIGJvdGggZm9yIGFsbCBwYXJlbnQgYW5kIGZvciBvd24gcGlkIG5hbWVzcGFj ZXMuIFRoZSBwcm9ibGVtIGlzIHRoYXQgdGhlc2Ugc2xhYgo+IGNhY2hlcyBhcmUgX05PVF8gbWFy a2VkIGJ5IFNMQUJfQUNDT1VOVCwgYXMgYSByZXN1bHQgYW55IHBpZHMgYWxsb2NhdGVkIGluIAo+ IG5lc3RlZCBwaWQgbmFtZXNwYWNlcyBhcmUgbm90IG1lbWNnLWFjY291bnRlZC4KPiAKPiBQaWQg c3RydWN0IGluIG5lc3RlZCBwaWQgbmFtZXNwYWNlIGNvbnN1bWVzIHVwIHRvIDUwMCBieXRlcyBt ZW1vcnksIAo+IDEwMDAwMCBzdWNoIG9iamVjdHMgZ2l2ZXMgdXMgdXAgdG8gfjUwTWIgdW5hY2Nv dW50ZWQgbWVtb3J5LAo+IHRoaXMgYWxsb3cgY29udGFpbmVyIHRvIGV4Y2VlZCBhc3NpZ25lZCBt ZW1jZyBsaW1pdHMuCj4gCj4gRml4ZXM6IDVkMDk3MDU2YzlhMCAoImttZW1jZzogYWNjb3VudCBj ZXJ0YWluIGttZW0gYWxsb2NhdGlvbnMgdG8gbWVtY2ciKQo+IENjOiBzdGFibGUtdTc5dXdYTDI5 VFk3Nloyck01bUhYQUBwdWJsaWMuZ21hbmUub3JnCj4gU2lnbmVkLW9mZi1ieTogVmFzaWx5IEF2 ZXJpbiA8dnZzLTVIZHdHdW41bGYrZ1NweHNKRDFDNHdAcHVibGljLmdtYW5lLm9yZz4KPiBSZXZp ZXdlZC1ieTogTWljaGFsIEtvdXRuw70gPG1rb3V0bnktSUJpOVJHL2I2N2tAcHVibGljLmdtYW5l Lm9yZz4KPiBBY2tlZC1ieTogQ2hyaXN0aWFuIEJyYXVuZXIgPGNocmlzdGlhbi5icmF1bmVyLUdl V0lIL25NWnpMUVQwZFpSK0FsZkFAcHVibGljLmdtYW5lLm9yZz4KPiBBY2tlZC1ieTogUm9tYW4g R3VzaGNoaW4gPGd1cm8tYjEwa1lQMmRPTWdAcHVibGljLmdtYW5lLm9yZz4KPiAtLS0KPiAga2Vy bmVsL3BpZF9uYW1lc3BhY2UuYyB8IDMgKystCj4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlv bnMoKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEva2VybmVsL3BpZF9uYW1lc3Bh Y2UuYyBiL2tlcm5lbC9waWRfbmFtZXNwYWNlLmMKPiBpbmRleCA2Y2Q2NzE1Li5hNDZhMzcyIDEw MDY0NAo+IC0tLSBhL2tlcm5lbC9waWRfbmFtZXNwYWNlLmMKPiArKysgYi9rZXJuZWwvcGlkX25h bWVzcGFjZS5jCj4gQEAgLTUxLDcgKzUxLDggQEAgc3RhdGljIHN0cnVjdCBrbWVtX2NhY2hlICpj cmVhdGVfcGlkX2NhY2hlcCh1bnNpZ25lZCBpbnQgbGV2ZWwpCj4gIAltdXRleF9sb2NrKCZwaWRf Y2FjaGVzX211dGV4KTsKPiAgCS8qIE5hbWUgY29sbGlzaW9uIGZvcmNlcyB0byBkbyBhbGxvY2F0 aW9uIHVuZGVyIG11dGV4LiAqLwo+ICAJaWYgKCEqcGtjKQo+IC0JCSpwa2MgPSBrbWVtX2NhY2hl X2NyZWF0ZShuYW1lLCBsZW4sIDAsIFNMQUJfSFdDQUNIRV9BTElHTiwgMCk7Cj4gKwkJKnBrYyA9 IGttZW1fY2FjaGVfY3JlYXRlKG5hbWUsIGxlbiwgMCwKPiArCQkJCQkgU0xBQl9IV0NBQ0hFX0FM SUdOIHwgU0xBQl9BQ0NPVU5ULCAwKTsKPiAgCW11dGV4X3VubG9jaygmcGlkX2NhY2hlc19tdXRl eCk7Cj4gIAkvKiBjdXJyZW50IGNhbiBmYWlsLCBidXQgc29tZW9uZSBlbHNlIGNhbiBzdWNjZWVk LiAqLwo+ICAJcmV0dXJuIFJFQURfT05DRSgqcGtjKTsKPiAKCg==