Lines Matching refs:pfn
179 static void subsection_mask_set(unsigned long *map, unsigned long pfn, in subsection_mask_set() argument
182 int idx = subsection_map_index(pfn); in subsection_mask_set()
183 int end = subsection_map_index(pfn + nr_pages - 1); in subsection_mask_set()
188 void __init subsection_map_init(unsigned long pfn, unsigned long nr_pages) in subsection_map_init() argument
190 int end_sec_nr = pfn_to_section_nr(pfn + nr_pages - 1); in subsection_map_init()
191 unsigned long nr, start_sec_nr = pfn_to_section_nr(pfn); in subsection_map_init()
198 - (pfn & ~PAGE_SECTION_MASK)); in subsection_map_init()
200 subsection_mask_set(ms->usage->subsection_map, pfn, pfns); in subsection_map_init()
203 pfns, subsection_map_index(pfn), in subsection_map_init()
204 subsection_map_index(pfn + pfns - 1)); in subsection_map_init()
206 pfn += pfns; in subsection_map_init()
211 void __init subsection_map_init(unsigned long pfn, unsigned long nr_pages) in subsection_map_init() argument
219 unsigned long pfn; in memory_present() local
223 for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) { in memory_present()
224 unsigned long section_nr = pfn_to_section_nr(pfn); in memory_present()
417 struct page __init *__populate_section_memmap(unsigned long pfn, in __populate_section_memmap() argument
553 unsigned long pfn = section_nr_to_pfn(pnum); in sparse_init_nid() local
560 map = __populate_section_memmap(pfn, PAGES_PER_SECTION, in sparse_init_nid()
633 unsigned long pfn; in online_mem_sections() local
635 for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { in online_mem_sections()
636 unsigned long section_nr = pfn_to_section_nr(pfn); in online_mem_sections()
651 unsigned long pfn; in offline_mem_sections() local
653 for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { in offline_mem_sections()
654 unsigned long section_nr = pfn_to_section_nr(pfn); in offline_mem_sections()
670 static struct page * __meminit populate_section_memmap(unsigned long pfn, in populate_section_memmap() argument
674 return __populate_section_memmap(pfn, nr_pages, nid, altmap, pgmap); in populate_section_memmap()
677 static void depopulate_section_memmap(unsigned long pfn, unsigned long nr_pages, in depopulate_section_memmap() argument
680 unsigned long start = (unsigned long) pfn_to_page(pfn); in depopulate_section_memmap()
694 static int clear_subsection_map(unsigned long pfn, unsigned long nr_pages) in clear_subsection_map() argument
698 struct mem_section *ms = __pfn_to_section(pfn); in clear_subsection_map()
702 subsection_mask_set(map, pfn, nr_pages); in clear_subsection_map()
708 pfn, nr_pages)) in clear_subsection_map()
721 static int fill_subsection_map(unsigned long pfn, unsigned long nr_pages) in fill_subsection_map() argument
723 struct mem_section *ms = __pfn_to_section(pfn); in fill_subsection_map()
728 subsection_mask_set(map, pfn, nr_pages); in fill_subsection_map()
743 static struct page * __meminit populate_section_memmap(unsigned long pfn, in populate_section_memmap() argument
751 static void depopulate_section_memmap(unsigned long pfn, unsigned long nr_pages, in depopulate_section_memmap() argument
754 kvfree(pfn_to_page(pfn)); in depopulate_section_memmap()
787 static int clear_subsection_map(unsigned long pfn, unsigned long nr_pages) in clear_subsection_map() argument
797 static int fill_subsection_map(unsigned long pfn, unsigned long nr_pages) in fill_subsection_map() argument
819 static void section_deactivate(unsigned long pfn, unsigned long nr_pages, in section_deactivate() argument
822 struct mem_section *ms = __pfn_to_section(pfn); in section_deactivate()
827 if (clear_subsection_map(pfn, nr_pages)) in section_deactivate()
832 unsigned long section_nr = pfn_to_section_nr(pfn); in section_deactivate()
860 depopulate_section_memmap(pfn, nr_pages, altmap); in section_deactivate()
868 static struct page * __meminit section_activate(int nid, unsigned long pfn, in section_activate() argument
872 struct mem_section *ms = __pfn_to_section(pfn); in section_activate()
884 rc = fill_subsection_map(pfn, nr_pages); in section_activate()
900 return pfn_to_page(pfn); in section_activate()
902 memmap = populate_section_memmap(pfn, nr_pages, nid, altmap, pgmap); in section_activate()
904 section_deactivate(pfn, nr_pages, altmap); in section_activate()
966 void sparse_remove_section(unsigned long pfn, unsigned long nr_pages, in sparse_remove_section() argument
969 struct mem_section *ms = __pfn_to_section(pfn); in sparse_remove_section()
974 section_deactivate(pfn, nr_pages, altmap); in sparse_remove_section()