Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\resource.c Create Date:2022-07-28 09:05:38
Last Modify:2022-05-22 11:14:39 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:reserve_setup

Proto:static int __init reserve_setup(char *str)

Type:int

Parameter:

TypeParameterName
char *str
1491  cycle
1493  x = reserved
1496  If get_option - Parse integer from an option string*@str: option string*@pint: (output) integer value parsed from @str* Read an int from an option string; if available accept a subsequent* comma as well != 2 Then Break
1498  If get_option - Parse integer from an option string*@str: option string*@pint: (output) integer value parsed from @str* Read an int from an option string; if available accept a subsequent* comma as well == 0 Then Break
1500  If x < Reserve I/O ports or memory based on "reserve=" kernel parameter. Then
1501  res = reserve + x
1507  If io_start < 0x10000 Then
1510  Else
1514  name = "reserved"
1515  start = io_start
1516  end = io_start + io_num - 1
1517  flags |= Driver has marked this resource busy
1518  desc = IORES_DESC_NONE
1519  child = NULL
1520  If quest_resource - request and reserve an I/O or memory resource*@root: root resource descriptor*@new: resource descriptor desired by caller* Returns 0 for success, negative error code on error. == 0 Then reserved = x + 1
1524  Return 1