simplify get_free_slot loops
parent
a02f4ebb19
commit
ceffb1a0ec
12
malloc.c
12
malloc.c
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@ -271,13 +271,11 @@ static size_t get_free_slot(struct random_state *rng, size_t slots, struct slab_
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masked |= random_split;
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}
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if (masked == ~0UL) {
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continue;
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}
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if (masked != ~0UL) {
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return ffzl(masked) - 1 + i * 64;
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}
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}
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}
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for (unsigned i = 0; i <= (slots - 1) / 64; i++) {
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u64 masked = metadata->bitmap[i];
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@ -285,12 +283,10 @@ static size_t get_free_slot(struct random_state *rng, size_t slots, struct slab_
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masked |= get_mask(slots - i * 64);
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}
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if (masked == ~0UL) {
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continue;
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}
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if (masked != ~0UL) {
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return ffzl(masked) - 1 + i * 64;
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}
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}
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fatal_error("no zero bits");
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}
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