diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2023-03-21 03:24:15 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-05 19:42:56 -0700 |
| commit | 3f6dac0fd1b83178137e7b4e722d8f29612cbec1 (patch) | |
| tree | 6b9a8fa620188bdcf6eeaf166d14de645d02429c /mm/mm_init.c | |
| parent | 4a06f6f3d395d15eb285606f28b74ce5dbc77e52 (diff) | |
mm/page_alloc: make deferred page init free pages in MAX_ORDER blocks
Normal page init path frees pages during the boot in MAX_ORDER chunks, but
deferred page init path does it in pageblock blocks.
Change deferred page init path to work in MAX_ORDER blocks.
For cases when MAX_ORDER is larger than pageblock, set migrate type to
MIGRATE_MOVABLE for all pageblocks covered by the page.
Link: https://lkml.kernel.org/r/20230321002415.20843-1-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mm_init.c')
| -rw-r--r-- | mm/mm_init.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/mm/mm_init.c b/mm/mm_init.c index 53fb8e9d1e3b..c88fbe74137c 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -1951,9 +1951,10 @@ static void __init deferred_free_range(unsigned long pfn, page = pfn_to_page(pfn); /* Free a large naturally-aligned chunk if possible */ - if (nr_pages == pageblock_nr_pages && pageblock_aligned(pfn)) { - set_pageblock_migratetype(page, MIGRATE_MOVABLE); - __free_pages_core(page, pageblock_order); + if (nr_pages == MAX_ORDER_NR_PAGES && IS_MAX_ORDER_ALIGNED(pfn)) { + for (i = 0; i < nr_pages; i += pageblock_nr_pages) + set_pageblock_migratetype(page + i, MIGRATE_MOVABLE); + __free_pages_core(page, MAX_ORDER); return; } @@ -1977,19 +1978,19 @@ static inline void __init pgdat_init_report_one_done(void) /* * Returns true if page needs to be initialized or freed to buddy allocator. * - * We check if a current large page is valid by only checking the validity + * We check if a current MAX_ORDER block is valid by only checking the validity * of the head pfn. */ static inline bool __init deferred_pfn_valid(unsigned long pfn) { - if (pageblock_aligned(pfn) && !pfn_valid(pfn)) + if (IS_MAX_ORDER_ALIGNED(pfn) && !pfn_valid(pfn)) return false; return true; } /* * Free pages to buddy allocator. Try to free aligned pages in - * pageblock_nr_pages sizes. + * MAX_ORDER_NR_PAGES sizes. */ static void __init deferred_free_pages(unsigned long pfn, unsigned long end_pfn) @@ -2000,7 +2001,7 @@ static void __init deferred_free_pages(unsigned long pfn, if (!deferred_pfn_valid(pfn)) { deferred_free_range(pfn - nr_free, nr_free); nr_free = 0; - } else if (pageblock_aligned(pfn)) { + } else if (IS_MAX_ORDER_ALIGNED(pfn)) { deferred_free_range(pfn - nr_free, nr_free); nr_free = 1; } else { @@ -2013,7 +2014,7 @@ static void __init deferred_free_pages(unsigned long pfn, /* * Initialize struct pages. We minimize pfn page lookups and scheduler checks - * by performing it only once every pageblock_nr_pages. + * by performing it only once every MAX_ORDER_NR_PAGES. * Return number of pages initialized. */ static unsigned long __init deferred_init_pages(struct zone *zone, @@ -2029,7 +2030,7 @@ static unsigned long __init deferred_init_pages(struct zone *zone, if (!deferred_pfn_valid(pfn)) { page = NULL; continue; - } else if (!page || pageblock_aligned(pfn)) { + } else if (!page || IS_MAX_ORDER_ALIGNED(pfn)) { page = pfn_to_page(pfn); } else { page++; |