fs/userfaultfd.c

1834

struct uffdio_poison uffdio_poison;

fs/userfaultfd.c

1835

struct uffdio_poison __user *user_uffdio_poison;

fs/userfaultfd.c

1838

user_uffdio_poison = (struct uffdio_poison __user *)arg;

fs/userfaultfd.c

1848

if (copy_from_user(&uffdio_poison, user_uffdio_poison,

fs/userfaultfd.c

1850

sizeof(uffdio_poison) - (sizeof(__s64))))

fs/userfaultfd.c

1853

ret = validate_range(ctx->mm, uffdio_poison.range.start,

fs/userfaultfd.c

1854

uffdio_poison.range.len);

fs/userfaultfd.c

1859

if (uffdio_poison.mode & ~UFFDIO_POISON_MODE_DONTWAKE)

fs/userfaultfd.c

1863

ret = mfill_atomic_poison(ctx, uffdio_poison.range.start,

fs/userfaultfd.c

1864

uffdio_poison.range.len, 0);

fs/userfaultfd.c

1878

if (!(uffdio_poison.mode & UFFDIO_POISON_MODE_DONTWAKE)) {

fs/userfaultfd.c

1879

range.start = uffdio_poison.range.start;

fs/userfaultfd.c

1882

ret = range.len == uffdio_poison.range.len ? 0 : -EAGAIN;

include/uapi/linux/userfaultfd.h

105

struct uffdio_poison)

tools/include/uapi/linux/userfaultfd.h

105

struct uffdio_poison)

tools/testing/selftests/mm/uffd-unit-tests.c

977

struct uffdio_poison uffdio_poison = { 0 };

tools/testing/selftests/mm/uffd-unit-tests.c

981

uffdio_poison.range.start = (unsigned long) gopts->area_dst + offset;

tools/testing/selftests/mm/uffd-unit-tests.c

982

uffdio_poison.range.len = gopts->page_size;

tools/testing/selftests/mm/uffd-unit-tests.c

983

uffdio_poison.mode = 0;

tools/testing/selftests/mm/uffd-unit-tests.c

984

ret = ioctl(gopts->uffd, UFFDIO_POISON, &uffdio_poison);

tools/testing/selftests/mm/uffd-unit-tests.c

985

res = uffdio_poison.updated;