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h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=eEuCi3Ppf3cCDocwnnreieMvJ01hjMCDynekw6cgXFCg5raNVlXdCv+arMHgzna/C 4cTDFIRk0D79AhSk3m9XNSCI0kMZkpBJhv8kECPUGtWHH4kGUH4DEfH7g5B8UQvUDv ozKDJxFxtPSuuj3Jr1Mh6PPz8CclUZLcalOcfnXY= Date: Wed, 12 Feb 2025 16:09:56 -0800 From: Andrew Morton To: Sergey Senozhatsky Cc: Yosry Ahmed , Kairui Song , Minchan Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 00/18] zsmalloc/zram: there be preemption Message-Id: <20250212160956.8bc390876af3c6669b8031d2@linux-foundation.org> In-Reply-To: <20250212063153.179231-1-senozhatsky@chromium.org> References: <20250212063153.179231-1-senozhatsky@chromium.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: bpbb4wycdrs8gubhuixeqh4xkp4pfzmr X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: E0EF5C0003 X-Rspam-User: X-HE-Tag: 1739405398-851643 X-HE-Meta: U2FsdGVkX1/l1C84ljOSi6F3PisRwCNpq7p3ga4EHkRZobpqf97TpYdRvCq0sz1l/4ExGWBd795KVShUOF6P0Kn9nfF8wm0rscx3BgH64Q06UC0kk/uhko4x+8+3KwAfD+cJhHGNOAWaq9G7spLckZNGLt96HwsFl0+mKxIK+jGscGwOu3pEjB3UvPGiZ3FfnKqmUoMRwMQHd2MKmvRNAsq0Tes4m7j0CqXCA3EBOLw08d0YDURcwojv0o1pqzEb25bU8wLSyVw0Q21svhT0YPN8TPwK6R803uSxRDHcrRa71JacSEhFUFTAHbczjMjCVHvDErFa3abtikRx4/iq7u7U11K7MbnmhKg/7napMnLscHp1xJUjZ0qW2y009uJtICd6Kl05aADEkM7QhAdq//PCkjE+beg5wyff1H+/0WMcFJft1yAIz8R1hDBQrnJUIo4M7Z+4cLBUSOGm5ElkeynGW6pD6mtXxaih7uDRdjoHNBNxYCPbOriDlCS4ez2hnd2N9KSTYclf4HXq0X10lbaRDN6mF5M8QKcu4qvJG89X4JLxssQejmOHyXQJQL+56LV36n8/uZLL/J2NrAJSOOVocEeqD+yWbp/+FFwAJEPJ/H2d2bn/IIw9BQqCx2mbV8hTfZn6lPrcAbBB63LwLNq0iySHjtMGAF5U23Ihva6UlCQYpRYHZI+h5YrO41wUcADVj+XCktFCW2/5A6A3uZSMNJEiL15yVjwOq/MvZ1wBgPhNcd9a3ywykP9bnTyXrrYVgn46511J2G9yrzBvi0nTUiVB7vLXhkKfEfBrB4BvvXvareZpH0isKbep3R1gitnTMxNaZPma+f27n9g3KyuphWZS3wxAgf9JdRcEb6YcUHN9s6XcsSKw489oUlIB90o0k7wC6dpa4uHKvap4rxDOvzaW+DoEfuBQKs/OfQ+damwwZO1Tt586qIhz8o2rN7XNvgrl22hFV4Mcwbx 4YUhovu0 JAu3RSP8Vs802R211xTEL3cFKr3kQq0xKUNovWVR3XEaWiVe52AEqUFp0GFzu5HMOc3Plbfd9uaO1ox7jhZ8rAtO3pzkbfB3bIq7SfPtEnHgvrJ+VUyPg70ecjDXe/SOlY2xJSkdFHd/9VIQHCYlLz4gULXjw8xIyU0DTWCjDoNymPsoGP8AWQfgvM0NL1t9rgqpoOWOrKAA03FjTghTDuUiyQgsz+lkreOwqGS8tKIw+sJwQEh8pPX6HD+yMNqEiGTzrTM7SeBwFjA4kMe0q0TerTG98OejoDlE/dNTvxLSDTsc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 12 Feb 2025 15:26:58 +0900 Sergey Senozhatsky wrote: > First, zsmalloc is converted to use sleepable RW-"lock" (it's atomic_t > in fact) for zspage migration protection. This sentence is stale?