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xpmem: support large page

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1. try to use as large page as possible on attach
2. pre-map resident remote pages on attach

Change-Id: I5580682a4199e94085a9bad9ce3958a0f14cdcea
This commit is contained in:
Yoshihisa Morizumi
2021-01-08 16:56:32 +09:00
committed by Masamichi Takagi
parent 3aaa5350f0
commit d2db639853
68 changed files with 4878 additions and 244 deletions
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kernel/include/page.h
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@@ -72,4 +72,5 @@ extern int anon_on_demand;
#ifdef ENABLE_FUGAKU_HACKS
extern int hugetlbfs_on_demand;
#endif
extern int xpmem_page_in_remote_on_attach;
#endif