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HUGEPAGE could be larger on some platforms (e.g. 512M on aarch64 w/ 64K pages), in which case it would cause grow_retained / exp_grow to over-reserve VMs. Similarly, make sure the base alloc has a const 2M alignment.
14 lines
512 B
C
14 lines
512 B
C
#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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void
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exp_grow_init(exp_grow_t *exp_grow) {
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/*
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* Enforce a minimal of 2M grow, which is convenient for the huge page
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* use cases. Avoid using HUGEPAGE as the value though, because on some
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* platforms it can be very large (e.g. 512M on aarch64 w/ 64K pages).
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*/
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const size_t min_grow = (size_t)2 << 20;
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exp_grow->next = sz_psz2ind(min_grow);
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exp_grow->limit = sz_psz2ind(SC_LARGE_MAXCLASS);
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}
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