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Wed, 27 Aug 2025 15:45:48 +0800 (CST) Date: Wed, 27 Aug 2025 15:45:48 +0800 (CST) From: yangshiguang To: "Harry Yoo" Cc: "Vlastimil Babka" , "Matthew Wilcox" , akpm@linux-foundation.org, cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev, glittao@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, yangshiguang , stable@vger.kernel.org Subject: Re:Re: [PATCH v3] mm: slub: avoid wake up kswapd in set_track_prepare X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20250519(9504565a) Copyright (c) 2002-2025 www.mailtech.cn 163com In-Reply-To: References: <20250825121737.2535732-1-yangshiguang1011@163.com> <54d9e5ac-5a51-4901-9b13-4c248aada2d7@suse.cz> X-NTES-SC: AL_Qu2eBP6Tv08v7iadbekfmUgRj+k6WsK3s/sn3oNfP5B+jCLp1RAuT3NTGmvR89CDKD2NnQiHYDh85sR+ZaZKQoML7HSsXXB4Qm/WIcirldzZ5g== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <6e1ab9d8.6595.198ea7d7a78.Coremail.yangshiguang1011@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:bCgvCgD3v1ett65oVdEiAA--.1986W X-CM-SenderInfo: 51dqw25klj3ttqjriiqr6rljoofrz/1tbiEA625WiuiUfH0QAGsV X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CgoKCkF0IDIwMjUtMDgtMjcgMTM6MTc6MzEsICJIYXJyeSBZb28iIDxoYXJyeS55b29Ab3JhY2xl LmNvbT4gd3JvdGU6Cj5PbiBNb24sIEF1ZyAyNSwgMjAyNSBhdCAwNTo0Mjo1MlBNICswMjAwLCBW bGFzdGltaWwgQmFia2Egd3JvdGU6Cj4+IE9uIDgvMjUvMjUgMTQ6NDAsIE1hdHRoZXcgV2lsY294 IHdyb3RlOgo+PiA+IE9uIE1vbiwgQXVnIDI1LCAyMDI1IGF0IDA4OjE3OjM3UE0gKzA4MDAsIHlh bmdzaGlndWFuZzEwMTFAMTYzLmNvbSB3cm90ZToKPj4gPj4gQXZvaWQgZGVhZGxvY2sgY2F1c2Vk IGJ5IGltcGxpY2l0bHkgd2FraW5nIHVwIGtzd2FwZCBieQo+PiA+PiBwYXNzaW5nIGluIGFsbG9j YXRpb24gZmxhZ3MuCj4+ID4gWy4uLl0KPj4gPj4gKwkvKiBQcmVlbXB0aW9uIGlzIGRpc2FibGVk IGluIF9fX3NsYWJfYWxsb2MoKSAqLwo+PiA+PiArCWdmcF9mbGFncyAmPSB+KF9fR0ZQX0RJUkVD VF9SRUNMQUlNKTsKPj4gPiAKPj4gPiBJZiB5b3UgZG9uJ3QgbWVhbiBfX0dGUF9LU1dBUERfUkVD TEFJTSBoZXJlLCB0aGUgZXhwbGFuYXRpb24gbmVlZHMgdG8KPj4gPiBiZSBiZXR0ZXIuCj4+IAo+ PiBJdCB3YXMgc3VnZ2VzdGVkIGJ5IEhhcnJ5IGhlcmU6Cj4+IGh0dHBzOi8vbG9yZS5rZXJuZWwu b3JnL2FsbC9hS0toVW9Va1JORGtGWVliQGhhcnJ5Cj4+IAo+PiBJIHRoaW5rIHRoZSBjb21tZW50 IGlzIGVub3VnaD8gRGlzYWJsaW5nIHByZWVtcHRpb24gbWVhbnMgd2UgY2FuJ3QgZGlyZWN0Cj4+ IHJlY2xhaW0sIGJ1dCB3ZSBjYW4gd2FrZSB1cCBrc3dhcGQuIElmIHRoZSBzbGFiIGNhbGxlciBj b250ZXh0IGlzIHN1Y2ggdGhhdAo+PiB3ZSBjYW4ndCwgX19HRlBfS1NXQVBEX1JFQ0xBSU0gYWxy ZWFkeSB3b24ndCBiZSBpbiB0aGUgZ2ZwX2ZsYWdzLgo+Cj5UbyBtYWtlIGl0IGEgbGl0dGxlIGJp dCBtb3JlIHZlcmJvc2UsIHRoaXMgXl4gZXhwbGFuYXRpb24gY2FuIGJlIGFkZGVkIHRvIHRoZQoK PmNoYW5nZWxvZz8KCgpvaywgd2lsbCBiZSBlYXNpZXIgdG8gdW5kZXJzdGFuZC4KCj4KPj4gQnV0 IEkgdGhpbmsgd2Ugc2hvdWxkIG1hc2sgb3VyIGFsc28gX19HRlBfTk9GQUlMIGFuZCBhZGQgX19H RlBfTk9XQVJOPwo+Cgo+VGhhdCBzb3VuZHMgZ29vZC4+Cj4+ICh3ZSBzaG91bGQgZ2V0IHNvbWUg Y29tbW9uIGhlbHBlcnMgZm9yIHRoZXNlIGtpbmRzIG9mIGdmcCBmbGFnIG1hbmlwdWxhdGlvbnMK Pj4gYWxyZWFkeSkKPgo+QW55IGlkZWFzIGZvciBpdHMgbmFtZT8KPgo+Z2ZwX2RvbnRfdHJ5X3Rv b19oYXJkKCksCj5nZnBfYWRqdXN0X2xpZ2h0d2VpZ2h0KCksCj5nZnBfYWRqdXN0X21heWZhaWwo KSwKPi4uLgo+Cj5JJ20gbm90IGdvb2QgYXQgbmFtaW5nIDovCgo+CgpIb3cgYWJvdXQgdGhpcz8g CgogICAgICAgIC8qIFByZWVtcHRpb24gaXMgZGlzYWJsZWQgaW4gX19fc2xhYl9hbGxvYygpICov Ci0gICAgICAgZ2ZwX2ZsYWdzICY9IH4oX19HRlBfRElSRUNUX1JFQ0xBSU0pOworICAgICAgIGdm cF9mbGFncyA9IChnZnBfZmxhZ3MgJiB+KF9fR0ZQX0RJUkVDVF9SRUNMQUlNIHwgX19HRlBfTk9G QUlMKSkgfAorICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgX19HRlBfTk9X QVJOOwoKID4tLSAKPkNoZWVycywKPkhhcnJ5IC8gSHllb25nZ29uCg==