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Searched refs:_refcount (Results 1 – 10 of 10) sorted by relevance

/linux/include/linux/
H A Dpage_ref.h67 return atomic_read(&page->_refcount); in page_ref_count()
99 atomic_set(&page->_refcount, v); in set_page_count()
120 atomic_add(nr, &page->_refcount); in page_ref_add()
132 atomic_sub(nr, &page->_refcount); in page_ref_sub()
144 int ret = atomic_sub_return(nr, &folio->_refcount); in folio_ref_sub_return()
153 atomic_inc(&page->_refcount); in page_ref_inc()
165 atomic_dec(&page->_refcount); in page_ref_dec()
177 int ret = atomic_sub_and_test(nr, &page->_refcount); in page_ref_sub_and_test()
191 int ret = atomic_inc_return(&page->_refcount); in page_ref_inc_return()
205 int ret = atomic_dec_and_test(&page->_refcount); in page_ref_dec_and_test()
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H A Dmm_types.h184 atomic_t _refcount; member
431 atomic_t _refcount; member
517 FOLIO_MATCH(_refcount, _refcount);
534 FOLIO_MATCH(_refcount, _refcount_1);
618 TABLE_MATCH(_refcount, __page_refcount);
H A Dpage-flags.h260 if (atomic_read_acquire(&page->_refcount) == u) in page_count_writable()
/linux/mm/
H A Dzpdesc.h49 atomic_t _refcount; member
61 ZPDESC_MATCH(_refcount, _refcount);
H A Dslab.h104 SLAB_MATCH(_refcount, __page_refcount);
/linux/drivers/iommu/
H A Diommu-pages.c19 IOPTDESC_MATCH(_refcount, __page_refcount);
/linux/include/net/
H A Dnetmem.h57 static_assert(sizeof(struct netmem_desc) <= offsetof(struct page, _refcount));
/linux/kernel/
H A Dvmcore_info.c190 VMCOREINFO_OFFSET(page, _refcount); in crash_save_vmcoreinfo_init()
/linux/Documentation/core-api/
H A Dpin_user_pages.rst104 * Given the above, we can overload the page->_refcount field by using, sort of,
106 rather than dividing page->_refcount into bit fields, we simple add a medium-
108 page->_refcount. This provides fuzzy behavior: if a page has get_page() called
/linux/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst144 (page, flags|_refcount|mapping|lru|_mapcount|private|compound_order|compound_head)