Merge "mm/vmalloc.c: fix __purge_vmap_area_lazy takes long time" (e6357bcd) · Commits · e / devices / android_kernel_fairphone_FP4

mm/vmalloc.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -1265,6 +1265,7 @@ static bool __purge_vmap_area_lazy(unsigned long start, unsigned long end)
		struct llist_node *valist;
		struct vmap_area *va;
		struct vmap_area *n_va;
		unsigned long flush_all_threshold = VMALLOC_END - VMALLOC_START;

		lockdep_assert_held(&vmap_purge_lock);

		@@ -1283,7 +1284,10 @@ static bool __purge_vmap_area_lazy(unsigned long start, unsigned long end)
		end = va->va_end;
		}

		if (end - start <= flush_all_threshold)
		flush_tlb_kernel_range(start, end);
		else
		flush_tlb_all();
		resched_threshold = lazy_max_pages() << 1;

		spin_lock(&vmap_area_lock);