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[2a03:2880:ff:9::face:b00c]) by smtp.gmail.com with ESMTPSA id w28-20020aa79a1c000000b005754106e364sm1900230pfj.199.2022.11.28.11.16.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Nov 2022 11:16:23 -0800 (PST) From: Nhat Pham To: akpm@linux-foundation.org Cc: hannes@cmpxchg.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, minchan@kernel.org, ngupta@vflare.org, senozhatsky@chromium.org, sjenning@redhat.com, ddstreet@ieee.org, vitaly.wool@konsulko.com Subject: [PATCH v7 5/6] zsmalloc: Add zpool_ops field to zs_pool to store evict handlers Date: Mon, 28 Nov 2022 11:16:14 -0800 Message-Id: <20221128191616.1261026-6-nphamcs@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221128191616.1261026-1-nphamcs@gmail.com> References: <20221128191616.1261026-1-nphamcs@gmail.com> MIME-Version: 1.0 ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=mOBGBJZ7; spf=pass (imf26.hostedemail.com: domain of nphamcs@gmail.com designates 209.85.216.41 as permitted sender) smtp.mailfrom=nphamcs@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669662985; a=rsa-sha256; cv=none; b=EYihr1rGFB4T0/sILCjVsMfs/06Gpe4lvBG1d1sxkJCL/5plGCnANjGsnI0bICcY/s/z2L UBhvOQtRT/+H+CqYoqMgHUele0HlohQBp02YivrnnsPiT+xpHyR2aWqm+U4JQtIwTtdZ1x KNtG/uDOR8QxrVBQESvWxRHx3vo6yMs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669662985; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6+uMQ1ItOkPZCYgWOP1o+0fNZIWxA74Wiz+rf0diPIk=; b=AYsVHlMXQsLvonS3lRIMaB5HZA0pQQ8iKzsjqohpy3LT2Ei5MoQACqCxGb2K6/uRaM2wcV Hz5yG7TyRfkmHRsp+UDnCwmWfZbf/0eGZS6Q+etSc4ZSetNtFl+fcqEmQBn9ZEJXyggTcp JApEKXiZcK4PONm7VmK5jozmGHlKni4= Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=mOBGBJZ7; spf=pass (imf26.hostedemail.com: domain of nphamcs@gmail.com designates 209.85.216.41 as permitted sender) smtp.mailfrom=nphamcs@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 0C719140013 X-Stat-Signature: 5ihx4nkq33p3w8efkkuaat7wbxywwsce X-Rspam-User: X-HE-Tag: 1669662984-468632 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: This adds a new field to zs_pool to store evict handlers for writeback, analogous to the zbud allocator. Signed-off-by: Nhat Pham Acked-by: Minchan Kim Acked-by: Johannes Weiner Reviewed-by: Sergey Senozhatsky --- mm/zsmalloc.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) -- 2.30.2 diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index b1bc231d94a3..d06f9150b9da 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -242,6 +242,8 @@ struct zs_pool { #ifdef CONFIG_ZPOOL /* List tracking the zspages in LRU order by most recently added object */ struct list_head lru; + struct zpool *zpool; + const struct zpool_ops *zpool_ops; #endif #ifdef CONFIG_ZSMALLOC_STAT @@ -382,7 +384,14 @@ static void *zs_zpool_create(const char *name, gfp_t gfp, * different contexts and its caller must provide a valid * gfp mask. */ - return zs_create_pool(name); + struct zs_pool *pool = zs_create_pool(name); + + if (pool) { + pool->zpool = zpool; + pool->zpool_ops = zpool_ops; + } + + return pool; } static void zs_zpool_destroy(void *pool)