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Implement portable and overridable allocation of memory buffers

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Fixes bug #48300 (Private mempools allocate foreign memory), bug #48354 (Portable alignment defines/include required for static allocation) and bug #47092 (Tag memory buffers like memp_memory_xxx and ram_heap with a macro so that attributes can be attached to their definitions)

Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
This commit is contained in:
Dirk Ziegelmeier
2016-07-07 13:35:13 +02:00
parent 811b237bd7
commit b91e47b518
4 changed files with 18 additions and 4 deletions
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2
src/core/ipv4/ip_frag.c
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@@ -640,7 +640,7 @@ nullreturn:
#if IP_FRAG
#if IP_FRAG_USES_STATIC_BUF
static u8_t buf[LWIP_MEM_ALIGN_SIZE(IP_FRAG_MAX_MTU + MEM_ALIGNMENT - 1)];
static LWIP_DECLARE_MEMORY_ALIGNED(buf, IP_FRAG_MAX_MTU);
#else /* IP_FRAG_USES_STATIC_BUF */
#if !LWIP_NETIF_TX_SINGLE_PBUF

2
src/core/mem.c
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@@ -202,7 +202,7 @@ struct mem {
* how that space is calculated). */
#ifndef LWIP_RAM_HEAP_POINTER
/** the heap. we need one struct mem at the end and some room for alignment */
u8_t ram_heap[MEM_SIZE_ALIGNED + (2U*SIZEOF_STRUCT_MEM) + MEM_ALIGNMENT];
LWIP_DECLARE_MEMORY_ALIGNED(ram_heap, MEM_SIZE_ALIGNED + (2U*SIZEOF_STRUCT_MEM));
#define LWIP_RAM_HEAP_POINTER ram_heap
#endif /* LWIP_RAM_HEAP_POINTER */