summaryrefslogtreecommitdiff
path: root/lib/test_vmalloc.c
diff options
context:
space:
mode:
authorQinglin Pan <panqinglin2020@iscas.ac.cn>2022-12-12 13:56:57 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-01-18 17:12:41 -0800
commit6b1ead5985bf73b7dd4453f5cd3b8690a9c52cd5 (patch)
treea918d2b5252316df02189f51dd92aa1b16ec3914 /lib/test_vmalloc.c
parente976936cfc66376fc740a3a476365273384ce1ce (diff)
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: Qinglin Pan <panqinglin2020@iscas.ac.cn> Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/test_vmalloc.c')
-rw-r--r--lib/test_vmalloc.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c
index f90d2c27675b..de4ee0d50906 100644
--- a/lib/test_vmalloc.c
+++ b/lib/test_vmalloc.c
@@ -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"
@@ -264,7 +267,10 @@ static int fix_size_alloc_test(void)
int i;
for (i = 0; i < test_loop_count; i++) {
- ptr = vmalloc((nr_pages > 0 ? nr_pages:1) * PAGE_SIZE);
+ 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)
return -1;