Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\mm.h Create Date:2022-07-28 05:43:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:For use in fast paths after init_debug_pagealloc() has run, or when a* false negative result is not harmful when called too early.

Proto:static inline bool debug_pagealloc_enabled_static(void)

Type:bool

Parameter:Nothing

2681  If Not IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_DEBUG_PAGEALLOC) Then Return false
2684  Return static_branch_unlikely( & _debug_pagealloc_enabled)
Caller
NameDescribe
free_unmap_vmap_areaFree and unmap a vmap area
vb_free
free_pages_prepare
free_pcp_prepareWith DEBUG_VM disabled, order-0 pages being freed are checked only when* moving from pcp lists to free list in order to reduce overhead. With* debug_pagealloc enabled, they are checked also immediately when being freed* to the pcp lists.
check_new_pcp
post_alloc_hook
get_freepointer_safe