Blame jemalloc/test/unit/sc.c
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#include "test/jemalloc_test.h"
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TEST_BEGIN(test_update_slab_size) {
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sc_data_t data;
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memset(&data, 0, sizeof(data));
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sc_data_init(&data);
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sc_t *tiny = &data.sc[0];
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size_t tiny_size = (ZU(1) << tiny->lg_base)
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+ (ZU(tiny->ndelta) << tiny->lg_delta);
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size_t pgs_too_big = (tiny_size * BITMAP_MAXBITS + PAGE - 1) / PAGE + 1;
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sc_data_update_slab_size(&data, tiny_size, tiny_size, (int)pgs_too_big);
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assert_zu_lt((size_t)tiny->pgs, pgs_too_big, "Allowed excessive pages");
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sc_data_update_slab_size(&data, 1, 10 * PAGE, 1);
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for (int i = 0; i < data.nbins; i++) {
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sc_t *sc = &data.sc[i];
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size_t reg_size = (ZU(1) << sc->lg_base)
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+ (ZU(sc->ndelta) << sc->lg_delta);
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if (reg_size <= PAGE) {
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assert_d_eq(sc->pgs, 1, "Ignored valid page size hint");
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} else {
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assert_d_gt(sc->pgs, 1,
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"Allowed invalid page size hint");
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}
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}
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}
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TEST_END
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int
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main(void) {
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return test(
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test_update_slab_size);
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}
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