On Tue, 23 Sep 2014 12:19:49 -0400 Valdis.Kletnieks@xxxxxx wrote: > On Tue, 23 Sep 2014 13:28:48 +0200, Michal Hocko said: > > And there is another one hitting during randconfig. The patch makes my > > eyes bleed > > Amen. But I'm not seeing a better fix either. > > > #if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) > > - "tlb_flush_pending %d\n", > > + "tlb_flush_pending %d\n" > > #endif > > - mm, mm->mmap, mm->vmacache_seqnum, mm->task_size, > > + , mm, mm->mmap, mm->vmacache_seqnum, mm->task_size, > > I'm surprised that checkpatch doesn't explode on this. And I'm starting > a pool on how soon somebody submits a patch to "fix" this. :) It is all pretty godawful. We can eliminate the tricks with the comma separators by adding an always-there, does-nothing argument: --- a/mm/debug.c~mm-debug-mm-introduce-vm_bug_on_mm-fix-fixpatch-fix +++ a/mm/debug.c @@ -197,7 +197,9 @@ void dump_mm(const struct mm_struct *mm) #if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) "tlb_flush_pending %d\n" #endif - , mm, mm->mmap, mm->vmacache_seqnum, mm->task_size, + "%s", /* This is here to hold the comma */ + + mm, mm->mmap, mm->vmacache_seqnum, mm->task_size, #ifdef CONFIG_MMU mm->get_unmapped_area, #endif @@ -218,16 +220,17 @@ void dump_mm(const struct mm_struct *mm) #ifdef CONFIG_MEMCG mm->owner, #endif - mm->exe_file + mm->exe_file, #ifdef CONFIG_MMU_NOTIFIER - , mm->mmu_notifier_mm + mm->mmu_notifier_mm, #endif #ifdef CONFIG_NUMA_BALANCING - , mm->numa_next_scan, mm->numa_scan_offset, mm->numa_scan_seq + mm->numa_next_scan, mm->numa_scan_offset, mm->numa_scan_seq, #endif #if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION) - , mm->tlb_flush_pending + mm->tlb_flush_pending, #endif + "" /* This is here to not have a comma! */ ); dump_flags(mm->def_flags, vmaflags_names, _ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>