Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\drop_caches.c Create Date:2022-07-28 20:31:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:drop_caches_sysctl_handler

Proto:int drop_caches_sysctl_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos)

Type:int

Parameter:

TypeParameterName
struct ctl_table *table
intwrite
void __user *buffer
size_t *length
loff_t *ppos
54  ret = read a vector of integers with min/max values
55  If ret Then Return ret
57  If write Then
60  If A global variable is a bit ugly, but it keeps the code simple & 1 Then
61  rate_supers - call function for all active superblocks*@f: function to call*@arg: argument to pass to it* Scans the superblock list and calls given function, passing it* locked superblock and given argument.
62  Disable counters
64  If A global variable is a bit ugly, but it keeps the code simple & 2 Then
65  drop_slab()
66  Disable counters
68  If Not stfu Then
69  pr_info("%s (%d): drop_caches: %d\n", comm, task_pid_nr(current process), A global variable is a bit ugly, but it keeps the code simple )
73  stfu |= A global variable is a bit ugly, but it keeps the code simple & 4
75  Return 0