Function report |
Source Code:fs\userfaultfd.c |
Create Date:2022-07-28 20:20:36 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:serfaultfd_wake may be used in combination with the* UFFDIO_*_MODE_DONTWAKE to wakeup userfaults in batches.
Proto:static int userfaultfd_wake(struct userfaultfd_ctx *ctx, unsigned long arg)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct userfaultfd_ctx * | ctx | |
unsigned long | arg |
1679 | If copy_from_user( & uffdio_wake, buf, size of uffdio_wake ) Then Go to out |
1682 | ret = validate_range(mm with one ore more vmas attached to this userfaultfd_ctx , & start, len) |
1695 | wake_userfault(ctx, & range) |
1696 | ret = 0 |
1698 | out : |
1699 | Return ret |
Name | Describe |
---|---|
userfaultfd_ioctl |
Source code conversion tool public plug-in interface | X |
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