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alloc: fix free in full slab

This commit is contained in:
Mathieu Maret 2020-04-24 23:28:11 +02:00
parent 0c389afa8f
commit b2d3cd62ca
1 changed files with 5 additions and 1 deletions
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6
core/alloc.c
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@ -192,7 +192,11 @@ int freeFromSlab(void *ptr, struct slabEntry *slab)
if ((slabEntry->page <= (vaddr_t)ptr) &&
((vaddr_t)ptr < (slabEntry->page + PAGE_SIZE))) {
// pr_devel("free place! was %d is now %d\n", slabEntry->freeEl, ptr);
*((vaddr_t *)ptr) = (vaddr_t)slabEntry->freeEl;
if (slabEntry->full) {
*((vaddr_t *)ptr) = (vaddr_t)NULL;
} else {
*((vaddr_t *)ptr) = (vaddr_t)slabEntry->freeEl;
}
slabEntry->freeEl = ptr;
slabEntry->full = 0;
return 1;