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[$] Minimizing the use of tail pages

samedi 4 mai 2019, 17:32 , par
Compound pages are created by the kernel as
a way of combining a number of small pages into a single, larger unit.
Such pages are implemented as a single 'head page' at the beginning,
followed by a number of 'tail pages'. Matthew Wilcox has concluded that
it would be beneficial to minimize the use of tail pages in the kernel; he
ran a session during the memory-management track at the 2019 Linux Storage,
Filesystem, and Memory-Management Summit to explore how that could be done.
The discussion ranged widely, veering into the representation of DMA I/O
operations, but few hard conclusions were reached.
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Date Actuelle
mer. 2 déc. - 19:40 CET