Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mmu_notifier.c Create Date:2022-07-28 15:36:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:If no young bitflag is supported by the hardware, ->clear_flush_young can* unmap the address and return 1 or 0 depending if the mapping previously* existed or not.

Proto:int __mmu_notifier_clear_flush_young(struct mm_struct *mm, unsigned long start, unsigned long end)

Type:int

Parameter:

TypeParameterName
struct mm_struct *mm
unsigned longstart
unsigned longend
360  young = 0
362  id = srcu_read_lock - register a new reader for an SRCU-protected structure
364  If clear_flush_young Then young |= clear_flush_young(mn, mm, start, end)
367  srcu_read_unlock - unregister a old reader from an SRCU-protected structure.*@ssp: srcu_struct in which to unregister the old reader.*@idx: return value from corresponding srcu_read_lock().* Exit an SRCU read-side critical section.
369  Return young
Caller
NameDescribe
mmu_notifier_clear_flush_young