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xpmem: porting xpmem v2.6.3

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implement xpmem_get, xpmem_release, xpmem_attach, xpmem_detach
This commit is contained in:
Yoichi Umezawa
2017-03-29 18:20:53 +09:00
parent 4ee0c05e08
commit c38d536aaa
7 changed files with 1770 additions and 96 deletions
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2
arch/x86/kernel/memory.c
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@ -1101,7 +1101,7 @@ static int clear_range_l1(void *args0, pte_t *ptep, uint64_t base,
page = phys_to_page(phys);
}
if (page && page_is_in_memobj(page) && (old & PFL1_DIRTY) &&
if (page && page_is_in_memobj(page) && (old & PFL1_DIRTY) && (args->memobj) &&
!(args->memobj->flags & MF_ZEROFILL)) {
memobj_flush_page(args->memobj, phys, PTL1_SIZE);
}