Commit 6b1ead59 authored by Qinglin Pan's avatar Qinglin Pan Committed by Andrew Morton
Browse files

lib/test_vmalloc.c: add parameter use_huge for fix_size_alloc_test 

Add a parameter `use_huge' for fix_size_alloc_test(), which can be used to
test allocation vie vmalloc_huge for both functionality and performance.

Link: https://lkml.kernel.org/r/20221212055657.698420-1-panqinglin2020@iscas.ac.cn


Signed-off-by: default avatarQinglin Pan <panqinglin2020@iscas.ac.cn>
Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e976936c

lib/test_vmalloc.c

+7 −1
Original line number Diff line number Diff line
@@ -38,6 +38,9 @@ __param(int, test_loop_count, 1000000, 
__param(int, nr_pages, 0,

	"Set number of pages for fix_size_alloc_test(default: 1)");



__param(bool, use_huge, false,

	"Use vmalloc_huge in fix_size_alloc_test");



__param(int, run_test_mask, INT_MAX,

	"Set tests specified in the mask.\n\n"

		"\t\tid: 1,    name: fix_size_alloc_test\n"
@@ -264,6 +267,9 @@ static int fix_size_alloc_test(void) 
	int i;



	for (i = 0; i < test_loop_count; i++) {

		if (use_huge)

			ptr = vmalloc_huge((nr_pages > 0 ? nr_pages:1) * PAGE_SIZE, GFP_KERNEL);

		else

			ptr = vmalloc((nr_pages > 0 ? nr_pages:1) * PAGE_SIZE);



		if (!ptr)