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Thu, 19 Dec 2024 10:31:50 +0800 (CST) Date: Thu, 19 Dec 2024 10:31:50 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Suren Baghdasaryan" Cc: kent.overstreet@linux.dev, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, quic_zhenhuah@quicinc.com Subject: Re: [PATCH v2] lib/alloc_tag: Add accumulative call counter for memory allocation profiling X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2024 www.mailtech.cn 163com In-Reply-To: References: <20240913055729.7208-1-00107082@163.com> <710f85e7.a802.193d9d08d8a.Coremail.00107082@163.com> X-NTES-SC: AL_Qu2YBvmcuk0q5iicZekZnEYQheY4XMKyuPkg1YJXOp80vyT2xw0Lcm9tO1DLy86zKS2hoAiScSpX7eVbZah6Yof/qJuZUpUsVC7scTVmucOD Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <2ff6b906.2743.193dcc1d53b.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:bigvCgCHDpCXhWNnE+aeAA--.25829W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/xtbB0gC6qmdjg-glzgABsX X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== SEksIApBdCAyMDI0LTEyLTE5IDAyOjIyOjUzLCAiU3VyZW4gQmFnaGRhc2FyeWFuIiA8c3VyZW5i QGdvb2dsZS5jb20+IHdyb3RlOgo+T24gV2VkLCBEZWMgMTgsIDIwMjQgYXQgNDo0OeKAr0FNIERh dmlkIFdhbmcgPDAwMTA3MDgyQDE2My5jb20+IHdyb3RlOgo+Pgo+PiBIaSwKPj4KPj4gSSBmb3Vu ZCBhbm90aGVyIHVzYWdlL2JlbmVmaXQgZm9yIGFjY3VtdWxhdGl2ZSBjb3VudGVyczoKPj4KPj4g T24gbXkgc3lzdGVtLCAvcHJvYy9hbGxvY2luZm8geWllbGRzIGFib3V0IDUwNjUgbGluZXMsICBv ZiB3aGljaCAyLzMgbGluZXMgaGF2ZSBhY2N1bXVsYXRpdmUgY291bnRlciAqMCouCj4+IG1lYW5p bmcgbm8gbWVtb3J5IGFjdGl2aXRpZXMuIChyaWdodD8pCj4+IEl0IGlzIHF1aXRlIGEgd2FzdGUg dG8ga2VlcCB0aG9zZSBpdGVtcyB3aGljaCBhcmUgKm5vdCBhbGl2ZSB5ZXQqLgo+PiBXaXRoIGFk ZGl0aW9uYWwgY2hhbmdlcywgb25seSAxNjg0IGxpbmVzIGluIC9wcm9jL2FsbG9jaW5mbyBvbiBt eSBzeXN0ZW06Cj4+Cj4+IC0tLSBhL2xpYi9hbGxvY190YWcuYwo+PiArKysgYi9saWIvYWxsb2Nf dGFnLmMKPj4gQEAgLTk1LDggKzk1LDExIEBAIHN0YXRpYyB2b2lkIGFsbG9jX3RhZ190b190ZXh0 KHN0cnVjdCBzZXFfYnVmICpvdXQsIHN0cnVjdCBjb2RldGFnICpjdCkKPj4gICAgICAgICBzdHJ1 Y3QgYWxsb2NfdGFnX2NvdW50ZXJzIGNvdW50ZXIgPSBhbGxvY190YWdfcmVhZCh0YWcpOwo+PiAg ICAgICAgIHM2NCBieXRlcyA9IGNvdW50ZXIuYnl0ZXM7Cj4+Cj4+ICsgICAgICAgaWYgKGNvdW50 ZXIuYWNjdV9jYWxscyA9PSAwKQo+PiArICAgICAgICAgICAgICAgcmV0dXJuOwo+PiAgICAgICAg IHNlcV9idWZfcHJpbnRmKG91dCwgIiUxMmxsaSAlOGxsdSAiLCBieXRlcywgY291bnRlci5jYWxs cyk7Cj4+Cj4+Cj4+IEkgdGhpbmsgdGhpcyBpcyBxdWl0ZSBhbiBpbXByb3ZlbWVudCB3b3J0aCBw dXJzdWluZy4KPj4gKGNvdW50ZXIuY2FsbHMgY291bGQgYWxzbyBiZSB1c2VkIHRvIGZpbHRlciBv dXQgImluYWN0aXZlIiBpdGVtcywgYnV0Cj4+IGxpbmVzIGtlZXAgZGlzYXBwZWFyaW5nL3JlYXBw ZWFyaW5nIGNhbiBjb25mdXNlIG1vbml0b3Jpbmcgc3lzdGVtcy4pCj4KPlBsZWFzZSBzZWUgZGlz Y3Vzc2lvbiBhdAo+aHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvYWxsLzIwMjQxMjExMDg1NjE2LjI0 NzE5MDEtMS1xdWljX3poZW5odWFoQHF1aWNpbmMuY29tLwoKVGhhbmtzIGZvciB0aGUgaW5mb3Jt YXRpb24uIAoKPiBNeSBwb2ludCBpcyB0aGF0IHdpdGggdGhpcyBjaGFuZ2Ugd2UgbG9zZSBpbmZv cm1hdGlvbiB3aGljaCBjYW4gYmUKPiB1c2VmdWwuIEZvciBleGFtcGxlIGlmIEkgd2FudCB0byBh bmFseXplIGFsbCB0aGUgcGxhY2VzIGluIHRoZSBrZXJuZWwKPiB3aGVyZSBtZW1vcnkgY2FuIGJl IHBvdGVudGlhbGx5IGFsbG9jYXRlZCwgeW91ciBjaGFuZ2Ugd291bGQgcHJldmVudAo+IG1lIGZy b20gZG9pbmcgdGhhdAoKTWF5YmUgdGhlIGZpbHRlciBjYW4gYmUgZGlzYWJsZWQgd2hlbiBERUJV RyBpcyBvbj8KCiA+IE5vLCBJIGRpc2FncmVlLiBBbGxvY2F0aW9uIHRoYXQgd2FzIG5ldmVyIGlu dm9rZWQgaXMgbm90IHRoZSBzYW1lIGFzCj4gbm8gYWxsb2NhdGlvbiBhdCBhbGwuIEhvdyB3b3Vs ZCB3ZSBrbm93IHRoZSBkaWZmZXJlbmNlIGlmIHdlIGZpbHRlcgo+IG91dCB0aGUgZW1wdHkgb25l cz8KClRvdGFsbHkgYWdyZWUgd2l0aCB0aGlzLCAgSSB0aGluayAoYnl0ZXMgfHwgY291bnRlci5j YWxscykgIGRvZXMgbm90IG1ha2UgZ29vZCBmaWx0ZXIuIEFjY3VtdWxhdGl2ZSBjb3VudGVyIGlz IHRoZSBhbnN3ZXIuIDopCgo+IElmIHlvdSBkb24ndCB3YW50IHRvIHNlZSBhbGwgdGhlIHVudXNl ZCBzaXRlcywgeW91IGNhbiBmaWx0ZXIgdGhlbSBpbgo+IHRoZSB1c2Vyc3BhY2UuIEkgYWxzbyBz dXNwZWN0IHRoYXQgZm9yIHByYWN0aWNhbCBwdXJwb3NlcyB5b3Ugd291bGQKPiB3YW50IHRvIGZp bHRlciBzbWFsbCBvbmVzIChiZWxvdyBzb21lIHRocmVzaG9sZCkgYXMgd2VsbC4KCkkgaGF2ZSBz ZXR1cCBtb25pdG9yaW5nIHRvb2wgcG9sbGluZyAvcHJvYy9hbGxvY2luZm8gZXZlcnkgNSBzZWNv bmRzIG9uIG15IHN5c3RlbSwgCmFuZCBpdCB0YWtlcyB0b3RhbGx5ICAgfjExbXMgYW5kIH4xMDAg cmVhZCBzeXNjYWxscyBqdXN0IHJlYWQgb3V0IGFsbCB0aGUgY29udGVudCBpbiBvbmUgcm91bmQs CmFuZCB3aXRoIChjb3VudGVyLmFjY3VfY2FsbHMgPT0gMCkgZmlsdGVyLCBpdCB0YWtlcyB0b3Rh bGx5IH40LjRtcyBhbmQgMzQgcmVhZCBzeXNjYWxscy4KIGl0IHdvdWxkIGJlIG5pY2UgdG8gaGF2 ZSB+NjAlIHBlcmZvcm1hbmNlIGltcHJvdmVtZW50Li4uLgoKCgpUaGFua3MKRGF2aWQK