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Mon, 24 Jun 2024 20:41:20 +0000 Message-ID: <0b926745-f2c9-4313-a874-4b7e059b8d64@intel.com> Date: Mon, 24 Jun 2024 13:41:17 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5] net/mlx5: Reclaim max 50K pages at once To: Anand Khoje , , , CC: , , , , , , References: <20240624153321.29834-1-anand.a.khoje@oracle.com> Content-Language: en-US From: Jesse Brandeburg Autocrypt: addr=jesse.brandeburg@intel.com; keydata= xsFNBE6J+2cBEACty2+nfMyjkmi/BxhDinCezJoRM8PkvXlIGZL7SXAn7yxYNc28FvOvVpmx DbgPYDSLly/Rks4WNnVgAQA+nGxgg+tqk8DpPROUmkxQO7EL5TkszjBusUvL98crsMJVzoE2 RNTJZh3ClK8k7r5dEePM1LM4Hq1bNTwE6pzyHJ1QuHodzR1ifDL7+3pYwt5wowZjQr4uJXFA 5g5Xze8z0cnac+NpgIUqUdpEZ+3XmI92hIg2fUSRPUTgm+xEBijBv2OlTjZpzVfH8HlXeGCT E98Vuofvn2pgTZyJWJ6o0I9JUlxO+MMtMPuwL7Br0JqZQvvf80EFxbXnk+QSudg0sZAAec0g TSGWb7513siAqvAhxGjIf0cs2hEzRXbd4cVMZKPV2uai5g2LUsnS8m+zx/fzCC+KefKcxN8r Fs+9jNj2TOwmqahJqRBwxQZujNC96pkCQYzZtuz5BA7IMxC12TtnbvtUL6ef7GZVMv6b+rpe RmWnLIfGJItWefcse66l1wPQPi6tXmzBN6MaEDyVL6umiZTy7dnltaXsFZPPLapuk0qRoQtC aIjjk5VaK16t6pPUCRDW1um2anxOYBJCXzHrnzKf09hBgjbO2Tk5uKRQHpTEsm+38lIbSQ2r YUfOckMug/QHW05t+XVC2UuyAdjBamdvno7fhLaSTsqdEngqMQARAQABzTBKZXNzZSBDLiBC cmFuZGVidXJnIDxqZXNzZS5icmFuZGVidXJnQGludGVsLmNvbT7CwXgEEwECACIFAk6J+2cC GwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEKaiMWVzwKZycZ4QAIayWIWvnV2PiZ0E Kt7NMvSB3r3wx/X4TNmfTruURh24zrHcdrg6J8zSlXKt0fzxvvX7HYWgAEXD9BoVdPjh7TDy du9aMhFCFOfPHarz8DdGbT8UpGuX8bMZyd16/7nMqoGisK+OnmJubPxID2lDmXDRbxROahNF 0ZJVXd+mw44FefzyJigJnfXtwyDuIit6ludKAs2iW3z298PuL13wiiG8rg5hTdWANxcC6wEh sycdt1JcKO6y5wcDwBr/yDPsUKaQPZTxRyiBK6NmQEN4BXbcG90VSgziJDPuYQb9ZOv2d0lX yidkXe/U9SpTSEcC6/Z8KinBl/5X/roENz5gW0H27m52Ht1Yx6SRpA3kwdpkzd0r5dKLCOVQ IwrAec5oLZRQqrSVp9+6PH7Z7YVQzN52nsgioQT8Ke2yht2ehsaJ97k718XhIWACyJqqmo/k wkj+5aUAi3ZXVOw3TGOpsfuz50Ods8CtGDHsUFwKlH10wXxOFdTa4PG+G4LTZ5ptkdFzm2rb 9GJF2CSUS3ZMbBAQ/PZf1WpGUXBpOJMyD2AbWJQKTNn4yYMskMbnr4sGxitj6NHI4unlyd28 1FmaRbR98v66sXYVVSP1ERFS/521OwMvWkPNuPMpqZ1ir9Nq/kw4t+urpVKF7RR87yuT46Gx /h2NVEXa750f7pf2LfPLzsFNBE6J+2cBEACfkrEDSsQkIlZzFgAN/7g0VmjHDrxxQSmvuPmZ L9pI6B/nNtclaUBu+q3rKUYBJhOfMobsafKOV8jYkENqOXvOvpb21t8HJ0FgqpMs+VE98gkp BM+Nitd+ePRJNScB8DKFmTT97QLBB8AdTWGy1tCSncoqhIz15X4ALplQkIoCuxdKPEuTeiyV mJFwvS0pB/GdN8hQEddRIo3E61dtLmSCH0iw6Zd8m9UHoZdZLWjfG+3EyeQ2TK0AFU9GpxVY nJ8mDacZlpcq4mjbr4w0G2IyjGyO6iLHKdYe3lU5Hs7lxZGbtnGQbGKL9VimV4IkKsXmTE+4 /Mi+hWNxFBbZ7f7DUO3B7mZOicxxf2dK+vioHUr9TkWFwXARPwQGlGc3nGPQBhfaso+Q0q+b ftLhcdVDJjfNXvptWK3HbXQDsnkZ61nOEvjHDjpLQyzToKTSRoDNvnou2d26l5Nr7MHsqgxd xRKIau5xOAqO87AWHnbof3JW6eO8EDSmAYNWsmBBWFO7bfcJLyouiPSkDpsUniLh6ZAHyljd tYLPWatBqzvj28tTnA++Jp1bKDpby92GXQE2jZJ+5JCT+iW6dGQwrB9oMILx4V0WAvFsZT4t bq1MdS1n0qZD3t4ogYVqmYJyiB5ubTngI+s+VhDw3KbdhURJkQQ8dmojVfJZmeEH3u/eawAR AQABwsFfBBgBAgAJBQJOiftnAhsMAAoJEKaiMWVzwKZyTWQP/AlWAnsKIQgzP234ivevPc8d MOrOFslJrIutYqIW0V+B6teIcr73lejBl1fWtxn0mGPiTdNg/tJ48uN8K38yDzpxxmDDaKJa GGW6VPRezSpreqFjoEIz5NtJOo2dl7iK/6y7bAdlAeQj2Dvwj7Y1lB/JIbw8yoDg5Xl8D2db I8hchtsSXs8bxReEP1BGGsg4uyceOUexa1vAIGy80JDobbcjRaAo7xdwCXQjfEoC5UJVGd8g k21zDAUw3Eh47qO216txWwvOi+fq9o0UnOOAJ0xTRnQt1r5rMxEa8nLlChgfOSAdvBfaKAkn lIeWKK9LuETsiLpbofrey42d3wUUXggHYleYr9gR/7kQze78OATUHcud00B6EnmGDTOpbykp fby8AwgfbmcGz3LzgoZM7W9fnAkfVRuBOF5ge48kZecjHGxE69VB9180Aq6Bo2QVBlp3Le0j 97DvMAwMgzyvfHHBPV0B9uzfxyBcxc9bRHXk0IiVIjm2e4gR+5WdsgXFd867ezQr3EiIe+6U +k7ZSjyrj7tsJOk1tKAvQKvMlxfRecw/yJDcKwwBHgEXVEnKgbu/Ci+ikbqsLCBWbOWs6eYq 6m1nRM6nj0pgRDHIOQIxdWEysPWgmY2xxHb4yUq5YWa5+xu59zXdG72FqGqN8+Mkdw+M9m4D /fnLfll98Nhx In-Reply-To: <20240624153321.29834-1-anand.a.khoje@oracle.com> Content-Type: text/plain; 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> > +#define MAX_RECLAIM_NPAGES -50000 Can you please explain why this is negative? There doesn't seem to be any reason mentioned in the commit message or code. At the very least it's super confusing to have a MAX be negative, and at worst it's a bug. I don't have any other context on this code besides this patch, so an explanation would be helpful.