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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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4
arch/arm64/kernel/vdso.c
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@@ -155,7 +155,7 @@ int arch_map_vdso(struct process_vm *vm)
flag = VR_REMOTE | VR_PROT_READ;
flag |= VRFLAG_PROT_TO_MAXPROT(flag);
ret = add_process_memory_range(vm, start, end, vdso.vvar_phys, flag,
NULL, 0, PAGE_SHIFT, &range);
NULL, 0, PAGE_SHIFT, NULL, &range);
if (ret != 0){
dkprintf("ERROR: adding memory range for tod_data\n");
goto exit;
@@ -167,7 +167,7 @@ int arch_map_vdso(struct process_vm *vm)
flag = VR_REMOTE | VR_PROT_READ | VR_PROT_EXEC;
flag |= VRFLAG_PROT_TO_MAXPROT(flag);
ret = add_process_memory_range(vm, start, end, vdso.vdso_physlist[0], flag,
NULL, 0, PAGE_SHIFT, &range);
NULL, 0, PAGE_SHIFT, NULL, &range);
if (ret != 0) {
dkprintf("ERROR: adding memory range for vdso_text\n");