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support for Linux 4.6: use get_user_pages_remote()

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Balazs Gerofi
2016-05-24 09:39:04 +09:00
parent f06d8041e3
commit 435e2bdeb4
1 changed files with 6 additions and 0 deletions
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6
executer/kernel/mcctrl/binfmt_mcexec.c
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@ -120,9 +120,15 @@ static int load_elf(struct linux_binprm *bprm
for(i = 0, st = 0; mode != 2;){ for(i = 0, st = 0; mode != 2;){
if(st == 0){ if(st == 0){
off = p & ~PAGE_MASK; off = p & ~PAGE_MASK;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0)
rc = get_user_pages_remote(current, bprm->mm,
bprm->p, 1, 0, 1,
&page, NULL);
#else
rc = get_user_pages(current, bprm->mm, rc = get_user_pages(current, bprm->mm,
bprm->p, 1, 0, 1, bprm->p, 1, 0, 1,
&page, NULL); &page, NULL);
#endif
if(rc <= 0) if(rc <= 0)
return -EFAULT; return -EFAULT;
addr = kmap_atomic(page addr = kmap_atomic(page