mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
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47 lines
2 KiB
Diff
47 lines
2 KiB
Diff
Patch-Source: https://github.com/microsoft/mimalloc/commit/e3fea8f4e1a04f4b260a78e6b5a8f0eead990445
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Patch-Source: https://github.com/microsoft/mimalloc/commit/8fd1184272fdf5c93f4776a36086911b55fb315e
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See-Also: https://github.com/microsoft/mimalloc/issues/895
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--
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From 8fd1184272fdf5c93f4776a36086911b55fb315e Mon Sep 17 00:00:00 2001
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From: Daan <daanl@outlook.com>
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Date: Fri, 17 May 2024 09:06:27 -0700
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Subject: [PATCH] fix alignment issue on Alpine 32-bit musl compilation (issue
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#895)
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---
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src/arena.c | 15 +++++----------
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1 file changed, 5 insertions(+), 10 deletions(-)
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diff --git a/src/arena.c b/src/arena.c
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index acfde132..aa4bfa42 100644
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--- a/src/arena.c
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+++ b/src/arena.c
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@@ -141,8 +141,8 @@ static bool mi_arena_memid_indices(mi_memid_t memid, size_t* arena_index, mi_bit
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#define MI_ARENA_STATIC_MAX (MI_INTPTR_SIZE*MI_KiB) // 8 KiB on 64-bit
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-static uint8_t mi_arena_static[MI_ARENA_STATIC_MAX];
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-static _Atomic(size_t) mi_arena_static_top;
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+static mi_decl_cache_align uint8_t mi_arena_static[MI_ARENA_STATIC_MAX]; // must be cache aligned, see issue #895
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+static mi_decl_cache_align _Atomic(size_t) mi_arena_static_top;
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static void* mi_arena_static_zalloc(size_t size, size_t alignment, mi_memid_t* memid) {
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*memid = _mi_memid_none();
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@@ -151,7 +151,7 @@ static void* mi_arena_static_zalloc(size_t size, size_t alignment, mi_memid_t* m
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if ((toplow + size) > MI_ARENA_STATIC_MAX) return NULL;
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// try to claim space
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- if (alignment == 0) { alignment = 1; }
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+ if (alignment < MI_MAX_ALIGN_SIZE) { alignment = MI_MAX_ALIGN_SIZE; }
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const size_t oversize = size + alignment - 1;
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if (toplow + oversize > MI_ARENA_STATIC_MAX) return NULL;
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const size_t oldtop = mi_atomic_add_acq_rel(&mi_arena_static_top, oversize);
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@@ -167,7 +167,7 @@ static void* mi_arena_static_zalloc(size_t size, size_t alignment, mi_memid_t* m
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memid->initially_zero = true;
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const size_t start = _mi_align_up(oldtop, alignment);
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uint8_t* const p = &mi_arena_static[start];
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- _mi_memzero(p, size);
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+ _mi_memzero_aligned(p, size);
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return p;
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}
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