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由 Ezequiel Garcia 提交于
This field was being used to store size allocation so it could be retrieved by ksize(). However, it is a bad practice to not mark a page as a slab page and then use fields for special purposes. There is no need to store the allocated size and ksize() can simply return PAGE_SIZE << compound_order(page). Cc: Pekka Enberg <penberg@kernel.org> Cc: Matt Mackall <mpm@selenic.com> Acked-by: NChristoph Lameter <cl@linux.com> Signed-off-by: NEzequiel Garcia <elezegarcia@gmail.com> Signed-off-by: NPekka Enberg <penberg@kernel.org>
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