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The root cause turns out explicitly to be because MMUs are so valuable: without one, you can’t run Linux, BSD, or Mach. Thus, when ARM split their IP portfolio into the A, R, and M-series cores, the low-cost M-series cores were forbidden from having an MMU to prevent price erosion of their high-end A-series cores. Instead, a proprietary hack known as the “MPU” was introduced that gives some memory security, but without an easy path to benefits such as swap memory.
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18:49, 11 марта 2026Мир
家电不再是展区的C位，而是低调“隐”入了家居空间。冰箱以990mm纯平嵌入设计，无缝融入橱柜，洗衣机以575mm纤薄机身实现一体纯平，烟机以1.3m超薄平板形态，低调隐入橱柜，烤箱、洗碗机也通过极简的一体化设计，实现了灵活平嵌。这种“产品主动适应空间”的思路，让空间不再杂乱，生活也更有秩序感。外观设计更显匠心，“观穹灰”底色上，微米级光刻工艺勾勒出独特的“山河纹”，像大地的脉络般温润有质感。，更多细节参见手游
В России ответили на предупреждение Макрона по Украине19:48
Иран пригрозил уничтожить все нефтегазовые объекты США на Ближнем Востоке02:33，详情可参考今日热点