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Thu, 19 Mar 2026 00:21:19 -0700 (PDT) Received: from google.com ([2a00:79e0:2031:6:13e1:7517:52f3:cfc8]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b06e448fa4sm48352965ad.32.2026.03.19.00.21.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 00:21:19 -0700 (PDT) Date: Thu, 19 Mar 2026 16:21:16 +0900 From: Sergey Senozhatsky To: Richard Chang Cc: Sergey Senozhatsky , Andrew Morton , Minchan Kim , Brian Geffon , linux-block@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] zram: do not slot_free() written-back slots Message-ID: References: <20260319034912.1894770-1-senozhatsky@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 363C3100007 X-Stat-Signature: wn51zoaoxiqwufiq9qp1zgdzhr4rb1ob X-Rspam-User: X-HE-Tag: 1773904880-761079 X-HE-Meta: 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 xc5SusnM Dt7saqpYM6yX4kX//4f4Zc6/a/9nhF6OV+LkQJclqapoIzAaSJwYTs1qzaLNSAljEaLsfPiN+ifasOiMofenA8WnBC6sN2iwGOHvIGix0XxAtgi07C6dd9GYCED0j65VxcwemU1q+3Fpo6ESRI7kMeBH9r2xH7jPMrrAlOGS+BMJ9yuRyCwCrb279xfWxGnkn8N/vD5CZcwEi6qHqG2IPZH8M8h7xl5FipGPORd8A1WdyPq4Vnruy6IdW/Wv5FQOrdajgtwZguz5jpqBl+jim/Flcv19J+VrpS1L7kubFx39pT3/KBxy/6V4paKi7tjgGnL5F0ZO426G0ae14taEWbg6ek4YfXfcJoQyOL519sUdbQLXhFWA/l6qzCJ1dkeNRcvD3cdEyhR0Te+gcOEhzajv0JX3hyVq5uxudIIPZzxH1R01ahM65kWcaj0aPqXTMYZn5 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On (26/03/19 14:47), Richard Chang wrote: > > I think we also need clear_slot_flag(zram, index, ZRAM_PP_SLOT) release_pp_slot() does that for us.