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| author | Mark Brown <broonie@kernel.org> | 2026-05-29 22:46:36 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-29 22:46:37 +0100 |
| commit | b3897f4d6b7c3d92f8bb098038327766da8ba06d (patch) | |
| tree | 095730507e9a2c7f22b291c91b7d1aa873967f5b /mm | |
| parent | e2bd485974b30605aaa2fd4b8b6551d9a1846a62 (diff) | |
| parent | 5428435567cbe06c19914592fc22ca23c9ca1de5 (diff) | |
| download | linux-next-history-b3897f4d6b7c3d92f8bb098038327766da8ba06d.tar.gz | |
Merge branch 'next' of https://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux.git
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memblock.c | 56 | ||||
| -rw-r--r-- | mm/mm_init.c | 30 |
2 files changed, 39 insertions, 47 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index ccd43f3abb82d..6349c48154f4b 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1028,40 +1028,6 @@ int __init_memblock memblock_physmem_add(phys_addr_t base, phys_addr_t size) } #endif -#ifdef CONFIG_MEMBLOCK_KHO_SCRATCH -__init void memblock_set_kho_scratch_only(void) -{ - kho_scratch_only = true; -} - -__init void memblock_clear_kho_scratch_only(void) -{ - kho_scratch_only = false; -} - -__init void memmap_init_kho_scratch_pages(void) -{ - phys_addr_t start, end; - unsigned long pfn; - int nid; - u64 i; - - if (!IS_ENABLED(CONFIG_DEFERRED_STRUCT_PAGE_INIT)) - return; - - /* - * Initialize struct pages for free scratch memory. - * The struct pages for reserved scratch memory will be set up in - * memmap_init_reserved_pages() - */ - __for_each_mem_range(i, &memblock.memory, NULL, NUMA_NO_NODE, - MEMBLOCK_KHO_SCRATCH, &start, &end, &nid) { - for (pfn = PFN_UP(start); pfn < PFN_DOWN(end); pfn++) - init_deferred_page(pfn, nid); - } -} -#endif - /** * memblock_setclr_flag - set or clear flag for a memory region * @type: memblock type to set/clear flag for @@ -2535,6 +2501,28 @@ int reserve_mem_release_by_name(const char *name) return 1; } +#ifdef CONFIG_MEMBLOCK_KHO_SCRATCH +__init void memblock_set_kho_scratch_only(void) +{ + kho_scratch_only = true; +} + +__init void memblock_clear_kho_scratch_only(void) +{ + kho_scratch_only = false; +} + +bool __init_memblock memblock_is_kho_scratch_memory(phys_addr_t addr) +{ + int i = memblock_search(&memblock.memory, addr); + + if (i == -1) + return false; + + return memblock_is_kho_scratch(&memblock.memory.regions[i]); +} +#endif + #ifdef CONFIG_KEXEC_HANDOVER static int __init reserved_mem_preserve(void) diff --git a/mm/mm_init.c b/mm/mm_init.c index db5568cf36e12..6de3a77eb9ae5 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -706,9 +706,11 @@ void __meminit __init_page_from_nid(unsigned long pfn, int nid) } __init_single_page(pfn_to_page(pfn), pfn, zid, nid); - if (pageblock_aligned(pfn)) - init_pageblock_migratetype(pfn_to_page(pfn), MIGRATE_MOVABLE, - false); + if (pageblock_aligned(pfn)) { + enum migratetype mt = + kho_scratch_migratetype(pfn, MIGRATE_MOVABLE); + init_pageblock_migratetype(pfn_to_page(pfn), mt, false); + } } #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT @@ -941,7 +943,8 @@ void __meminit memmap_init_range(unsigned long size, int nid, unsigned long zone static void __init memmap_init_zone_range(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn, - unsigned long *hole_pfn) + unsigned long *hole_pfn, + enum migratetype mt) { unsigned long zone_start_pfn = zone->zone_start_pfn; unsigned long zone_end_pfn = zone_start_pfn + zone->spanned_pages; @@ -954,8 +957,7 @@ static void __init memmap_init_zone_range(struct zone *zone, return; memmap_init_range(end_pfn - start_pfn, nid, zone_id, start_pfn, - zone_end_pfn, MEMINIT_EARLY, NULL, MIGRATE_MOVABLE, - false); + zone_end_pfn, MEMINIT_EARLY, NULL, mt, false); if (*hole_pfn < start_pfn) init_unavailable_range(*hole_pfn, start_pfn, zone_id, nid); @@ -971,6 +973,8 @@ static void __init memmap_init(void) for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) { struct pglist_data *node = NODE_DATA(nid); + enum migratetype mt = + kho_scratch_migratetype(start_pfn, MIGRATE_MOVABLE); for (j = 0; j < MAX_NR_ZONES; j++) { struct zone *zone = node->node_zones + j; @@ -979,7 +983,7 @@ static void __init memmap_init(void) continue; memmap_init_zone_range(zone, start_pfn, end_pfn, - &hole_pfn); + &hole_pfn, mt); zone_id = j; } } @@ -1984,7 +1988,7 @@ unsigned long __init node_map_pfn_alignment(void) #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT static void __init deferred_free_pages(unsigned long pfn, - unsigned long nr_pages) + unsigned long nr_pages, enum migratetype mt) { struct page *page; unsigned long i; @@ -1997,8 +2001,7 @@ static void __init deferred_free_pages(unsigned long pfn, /* Free a large naturally-aligned chunk if possible */ if (nr_pages == MAX_ORDER_NR_PAGES && IS_MAX_ORDER_ALIGNED(pfn)) { for (i = 0; i < nr_pages; i += pageblock_nr_pages) - init_pageblock_migratetype(page + i, MIGRATE_MOVABLE, - false); + init_pageblock_migratetype(page + i, mt, false); __free_pages_core(page, MAX_PAGE_ORDER, MEMINIT_EARLY); return; } @@ -2008,8 +2011,7 @@ static void __init deferred_free_pages(unsigned long pfn, for (i = 0; i < nr_pages; i++, page++, pfn++) { if (pageblock_aligned(pfn)) - init_pageblock_migratetype(page, MIGRATE_MOVABLE, - false); + init_pageblock_migratetype(page, mt, false); __free_pages_core(page, 0, MEMINIT_EARLY); } } @@ -2067,6 +2069,8 @@ deferred_init_memmap_chunk(unsigned long start_pfn, unsigned long end_pfn, for_each_free_mem_range(i, nid, 0, &start, &end, NULL) { unsigned long spfn = PFN_UP(start); unsigned long epfn = PFN_DOWN(end); + enum migratetype mt = + kho_scratch_migratetype(spfn, MIGRATE_MOVABLE); if (spfn >= end_pfn) break; @@ -2079,7 +2083,7 @@ deferred_init_memmap_chunk(unsigned long start_pfn, unsigned long end_pfn, unsigned long chunk_end = min(mo_pfn, epfn); nr_pages += deferred_init_pages(zone, spfn, chunk_end); - deferred_free_pages(spfn, chunk_end - spfn); + deferred_free_pages(spfn, chunk_end - spfn, mt); spfn = chunk_end; |