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protomatter: allocator: Never supervisor-alloc while gc available 

This may have been contributing to fragmentation of the supervisor
heap
This commit is contained in:
Jeff Epler 2020-04-07 11:19:24 -05:00
parent 23bced26da
commit 0ca270172f
1 changed files with 5 additions and 4 deletions
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9
shared-module/_protomatter/allocator.h
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@ -2,6 +2,7 @@
#define MICROPY_INCLUDED_SHARED_MODULE_PROTOMATTER_ALLOCATOR_H
#include <stdbool.h>
#include "py/gc.h"
#include "py/misc.h"
#include "supervisor/memory.h"
@ -9,11 +10,11 @@
#define _PM_FREE(x) (_PM_free_impl((x)), (x)=NULL, (void)0)
static inline void *_PM_allocator_impl(size_t sz) {
supervisor_allocation *allocation = allocate_memory(align32_size(sz), true);
if (allocation) {
return allocation->ptr;
} else {
if (gc_alloc_possible()) {
return m_malloc(sz + sizeof(void*), true);
} else {
supervisor_allocation *allocation = allocate_memory(align32_size(sz), true);
return allocation ? allocation->ptr : NULL;
}
}