Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\io_uring.c Create Date:2022-07-28 20:22:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:io_mem_free

Proto:static void io_mem_free(void *ptr)

Type:void

Parameter:

TypeParameterName
void *ptr
4655  If Not ptr Then Return
4658  page = virt_to_head_page(ptr)
4659  If Drop a ref, return true if the refcount fell to zero (the page has no users) Then Higher-order pages are called "compound pages". They are structured thusly:* The first PAGE_SIZE page is called the "head page" and have PG_head set.* The remaining PAGE_SIZE pages are called "tail pages". PageTail() is encoded
Caller
NameDescribe
io_ring_ctx_free
io_allocate_scq_urings