On Tue, Jul 28, 2015 at 03:36:05PM +0200, Vlastimil Babka wrote: > >--- a/mm/page_alloc.c > >+++ b/mm/page_alloc.c > >@@ -124,7 +124,9 @@ unsigned long totalcma_pages __read_mostly; > > unsigned long dirty_balance_reserve __read_mostly; > > > > int percpu_pagelist_fraction; > >-gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK; > >+ > >+gfp_t __gfp_allowed_mask __read_mostly = GFP_BOOT_MASK; > >+struct static_key gfp_restricted_key __read_mostly = STATIC_KEY_INIT_TRUE; > > ... and here it's combined with STATIC_KEY_INIT_TRUE. I've suspected > that this is not allowed, which Peter confirmed on IRC. >
Thanks because I was not aware of hazards of that nature. I'll drop the jump-label related patches from the series until the patches related to the correct idiom are finalised. The micro-optimisations are not the main point of this series and the savings are tiny. -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/