16 lines
638 B
Diff
16 lines
638 B
Diff
# SPDX-FileCopyrightText: 2023 Richard Masters <grick23@gmail.com>
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# SPDX-License-Identifier: MIT
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diff -r -u musl-1.1.24.orig/src/malloc/malloc.c musl-1.1.24/src/malloc/malloc.c
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--- src/malloc/malloc.c 2019-10-13 21:58:27.000000000 +0000
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+++ src/malloc/malloc.c 2023-12-22 23:18:21.088570834 +0000
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@@ -496,7 +496,9 @@
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uintptr_t a = (uintptr_t)self + SIZE_ALIGN+PAGE_SIZE-1 & -PAGE_SIZE;
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uintptr_t b = (uintptr_t)next - SIZE_ALIGN & -PAGE_SIZE;
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#if 1
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+ int e = errno;
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__madvise((void *)a, b-a, MADV_DONTNEED);
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+ errno = e;
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#else
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__mmap((void *)a, b-a, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
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