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Ysi0PwuGG8xAzAqhrNugbzNMOVKJiTHl0n7EthUgnAuJ86Krs+14rdMu3/kOeU7yx94Eb/1w2ElDjFTaHJ+hlYWAxdRm9Tf5NDBgHsYYmWoRi9WI2DUfQEMLH3ieMUVI4JKfaMqxWGWCjtTwaJpyTJsx+l4WuWGKtbU41aqDSGUVL08Nh4dgoUbfLnn+jp+VXjprniio8zO63/YvUDFLWv3UHErshU9PNlYMoicmJQzMuHyQFabAqGzOlVzELy4JuqTU6rmx7pVwqESgh28xonhiki3JUFEnQPnQjS6Ggk0lntCi8eILXSATpcAyJoMfB7QSfjRaCPI8TnN5CO6O7Sm/6Edu+YTO1T8L0lXtH7NymDCd/YTl6PaQwm1hbhhdGkMEIehO+7jFfEHt7liBBqVgJ5xnWlh+PgKukC84Pwtj2Oh+vtG7EC0UjQKRzQEMXrwbRM2P5KWFeERhjcUcpAqes8zdieN7yy57YgKPdKt55LT3Zwi3c89AGWPvQ5tlk59GS8Fk1zQV7HrsE/GR2r1gPQx8AfEfmn7KKLBwtRM+Rp5AiAfSoNdzcuL0Sr+jTripmjM4/roSbXVLRixiIGCO+2gYKnZm8CxzyBxak1shfPqRL+bIFr9fNY7BvgaTYCt1Y64mP4548LY23UQAQU1Am4LcMAWdHNT2w 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 4/23/2025 1:42 PM, Raghavendra K T wrote: [...] >> Also, any idea why the huge delta in the mm/folio_zero_user 2MB, 1GB >> cases? Both of these are doing 4k page at a time, so the huge delta >> is a little head scratching. >> >> There's a gap on Milan as well but it is much smaller. >> > Sorry forgot to add perhaps even more valid/important data point > Need to think/analyze further, but from perf stat I see > glaring difference in: >             2M        1G > pagefaults        32,906        202 > iTLB-load-misses    44,490        156 dTLB-loads 1,000,169 38,134 dTLB-load-misses 402,641 33,992 - Raghu