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arena: do not limit preallocated size to quota #98

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arena: do not limit preallocated size to quota #98

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2 changes: 0 additions & 2 deletions small/slab_arena.c
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Original file line number Diff line number Diff line change
Expand Up @@ -190,8 +190,6 @@ slab_arena_create(struct slab_arena *arena, struct quota *quota,
arena->slab_size = small_round(MAX(slab_size, SLAB_MIN_SIZE));

arena->quota = quota;
/** Prealloc can not be greater than the quota */
prealloc = MIN(prealloc, quota_total(quota));
/** Extremely large sizes can not be aligned properly */
prealloc = MIN(prealloc, SIZE_MAX - arena->slab_size);
/* Align prealloc around a fixed number of slabs. */
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2 changes: 1 addition & 1 deletion test/slab_arena.c
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Expand Up @@ -211,7 +211,7 @@ slab_test_basic(void)

quota_init(&quota, 2000000);
slab_arena_create(&arena, &quota, 3000000, 1, MAP_PRIVATE);
ok_no_asan(arena.prealloc == 2031616);
ok_no_asan(arena.prealloc == 3014656);
ok(quota_total(&quota) == 2000896);
ok_no_asan(arena.used == 0);
ok(arena.slab_size == SLAB_MIN_SIZE);
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