On 06/18, Vladimir Davydov wrote: > > @@ -365,7 +365,12 @@ static int dup_mmap(struct mm_struct *mm, struct > mm_struct *oldmm) > */ > down_write_nested(&mm->mmap_sem, SINGLE_DEPTH_NESTING); > > + mm->total_vm = oldmm->total_vm; > mm->locked_vm = 0; > + mm->pinned_vm = 0; > + mm->shared_vm = oldmm->shared_vm; > + mm->exec_vm = oldmm->exec_vm; > + mm->stack_vm = oldmm->stack_vm; > mm->mmap = NULL; > mm->vmacache_seqnum = 0; > mm->map_count = 0;
I think the patch is fine. But perhaps this deserves more cleanups, with or without this patch the initialization does not look consistent. dup_mmap() nullifies locked_vm/pinned_vm/mmap/map_count while mm_init() clears core_state/ nr_ptes/rss_stat. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
