函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\userfaultfd.c Create Date:2022-07-29 10:52:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：serfaultfd_ctx_get - Acquires a reference to the internal userfaultfd* context.*@ctx: [in] Pointer to the userfaultfd context.

函数原型：static void userfaultfd_ctx_get(struct userfaultfd_ctx *ctx)

返回类型：void

参数：

类型参数名称
struct userfaultfd_ctx *ctx
153  _inc - increment a refcount*@r: the refcount to increment* Similar to atomic_inc(), but will saturate at REFCOUNT_SATURATED and WARN
调用者
名称描述
handle_userfaultThe locking rules involved in returning VM_FAULT_RETRY depending on* FAULT_FLAG_ALLOW_RETRY, FAULT_FLAG_RETRY_NOWAIT and* FAULT_FLAG_KILLABLE are not straightforward
dup_userfaultfd
mremap_userfaultfd_prep
userfaultfd_remove
userfaultfd_unmap_prep
userfaultfd_ctx_read