version 1.127, 2022/01/31 09:16:09 |
version 1.128, 2022/02/16 22:00:55 |
Line 1620 _pmap_pdp_addref(struct pmap *pm, paddr_ |
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Line 1620 _pmap_pdp_addref(struct pmap *pm, paddr_ |
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} |
} |
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/* |
/* |
* decrement reference counter of the page descriptr page. |
* decrement reference counter of the page descriptor page. |
* if reference counter is 1(=empty), pages will be freed, and return true. |
* if reference counter is 1(=empty), pages will be freed, and return true. |
* otherwise return false. |
* otherwise return false. |
* kernel page, or L0 page descriptor page will be never freed. |
* kernel page, or L0 page descriptor page will be never freed. |