diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-09-16 10:22:44 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-04 00:03:28 +0300 |
| commit | 638a9ae97ab596f1f7b7522dad709e69cb5b4e9d (patch) | |
| tree | 1432bf7efd32ef715d6be7508ffad4a7ddd268a0 | |
| parent | b89f1735169b8ab54b6a03bf4823657ee4e30073 (diff) | |
| download | linux-638a9ae97ab596f1f7b7522dad709e69cb5b4e9d.tar.xz | |
mm: remove obsolete macro NR_PCP_ORDER_MASK and NR_PCP_ORDER_WIDTH
Since commit 8b10b465d0e1 ("mm/page_alloc: free pages in a single pass
during bulk free"), they're not used anymore. Remove them.
Link: https://lkml.kernel.org/r/20220916072257.9639-4-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/mmzone.h | 7 | ||||
| -rw-r--r-- | mm/page_alloc.c | 1 |
2 files changed, 0 insertions, 8 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index c69c08156822..3ff1e757d5aa 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -564,13 +564,6 @@ enum zone_watermarks { #define NR_LOWORDER_PCP_LISTS (MIGRATE_PCPTYPES * (PAGE_ALLOC_COSTLY_ORDER + 1)) #define NR_PCP_LISTS (NR_LOWORDER_PCP_LISTS + NR_PCP_THP) -/* - * Shift to encode migratetype and order in the same integer, with order - * in the least significant bits. - */ -#define NR_PCP_ORDER_WIDTH 8 -#define NR_PCP_ORDER_MASK ((1<<NR_PCP_ORDER_WIDTH) - 1) - #define min_wmark_pages(z) (z->_watermark[WMARK_MIN] + z->watermark_boost) #define low_wmark_pages(z) (z->_watermark[WMARK_LOW] + z->watermark_boost) #define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 49efaf9963d1..fa3dd2e1d566 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1584,7 +1584,6 @@ static void free_pcppages_bulk(struct zone *zone, int count, order = pindex_to_order(pindex); nr_pages = 1 << order; - BUILD_BUG_ON(MAX_ORDER >= (1<<NR_PCP_ORDER_WIDTH)); do { int mt; |