thp_migration_supported

Name:thp_migration_supported

Proto:static inline bool thp_migration_supported(void)

Type:bool

Parameter:Nothing

270

Return IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_ARCH_ENABLE_THP_MIGRATION)

**Caller**
Name	Describe
follow_pmd_mask
__handle_mm_fault	By the time we get here, we already hold the mm semaphore* The mmap_sem may have been released depending on flags and our* return value. See filemap_fault() and __lock_page_or_retry().
page_vma_mapped_walk	page_vma_mapped_walk - check if @pvmw->page is mapped in @pvmw->vma at@pvmw->address@pvmw: pointer to struct page_vma_mapped_walk. page, vma, address and flags* must be set. pmd, pte and ptl must be NULL.* Returns true if the page is mapped in the vma
madvise_cold_or_pageout_pte_range
unmap_and_move	Obtain the lock on page, remove all ptes and migrate the page* to the newly allocated page in newpage.
madvise_free_huge_pmd	Return true if we do MADV_FREE successfully on entire pmd page.* Otherwise, return false.
zap_huge_pmd
get_mctgt_type_thp	We don't consider PMD mapped swapping or file mapped pages because THP does* not support them for now.* Caller should make sure that pmd_trans_huge(pmd) is true.
hmm_vma_walk_pmd

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