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lib/test_vmalloc.c: add parameter use_huge for fix_size_alloc_test

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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>
This commit is contained in:
Qinglin Pan 2022-12-12 13:56:57 +08:00 committed by Andrew Morton
parent e976936cfc
commit 6b1ead5985
1 changed files with 7 additions and 1 deletions
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8
lib/test_vmalloc.c
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@ -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;