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| author | Qinglin Pan <panqinglin2020@iscas.ac.cn> | 2022-12-12 13:56:57 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 17:12:41 -0800 |
| commit | 6b1ead5985bf73b7dd4453f5cd3b8690a9c52cd5 (patch) | |
| tree | a918d2b5252316df02189f51dd92aa1b16ec3914 | |
| parent | e976936cfc66376fc740a3a476365273384ce1ce (diff) | |
| download | lwn-6b1ead5985bf73b7dd4453f5cd3b8690a9c52cd5.tar.gz lwn-6b1ead5985bf73b7dd4453f5cd3b8690a9c52cd5.zip | |
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>
| -rw-r--r-- | lib/test_vmalloc.c | 8 |
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; |