diff options
| author | Mel Gorman <[email protected]> | 2014-06-04 16:10:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-06-04 16:54:09 -0700 |
| commit | cfc47a2803db42140167b92d991ef04018e162c7 (patch) | |
| tree | 45ba771f22c0f284cc132133933b7eb9a9a415b5 | |
| parent | dc4b0caff24d9b2918e9f27bc65499ee63187eba (diff) | |
mm: page_alloc: lookup pageblock migratetype with IRQs enabled during free
get_pageblock_migratetype() is called during free with IRQs disabled.
This is unnecessary and disables IRQs for longer than necessary.
Signed-off-by: Mel Gorman <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Cc: Johannes Weiner <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Cc: "Paul E. McKenney" <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/page_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6cadc8678e28..ce4d3716214c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -774,9 +774,9 @@ static void __free_pages_ok(struct page *page, unsigned int order) if (!free_pages_prepare(page, order)) return; + migratetype = get_pfnblock_migratetype(page, pfn); local_irq_save(flags); __count_vm_events(PGFREE, 1 << order); - migratetype = get_pfnblock_migratetype(page, pfn); set_freepage_migratetype(page, migratetype); free_one_page(page_zone(page), page, pfn, order, migratetype); local_irq_restore(flags); |