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malloc: enable validation before new page allocation

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Before allocating a new page, give a chance to the user to
allow or deny allocation via callbacks.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Tested-by: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
This commit is contained in:
Anatoly Burakov 2018-04-11 13:30:44 +01:00 committed by Thomas Monjalon
parent 2e378ff297
commit 93723dd917
1 changed files with 9 additions and 1 deletions
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10
lib/librte_eal/common/malloc_heap.c
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@ -196,6 +196,15 @@ alloc_pages_on_heap(struct malloc_heap *heap, uint64_t pg_sz, size_t elt_size,
int allocd_pages;
void *ret, *map_addr;
alloc_sz = (size_t)pg_sz * n_segs;
/* first, check if we're allowed to allocate this memory */
if (eal_memalloc_mem_alloc_validate(socket,
heap->total_size + alloc_sz) < 0) {
RTE_LOG(DEBUG, EAL, "User has disallowed allocation\n");
return NULL;
}
allocd_pages = eal_memalloc_alloc_seg_bulk(ms, n_segs, pg_sz,
socket, true);
@ -205,7 +214,6 @@ alloc_pages_on_heap(struct malloc_heap *heap, uint64_t pg_sz, size_t elt_size,
map_addr = ms[0]->addr;
msl = rte_mem_virt2memseg_list(map_addr);
alloc_sz = (size_t)msl->page_sz * allocd_pages;
/* check if we wanted contiguous memory but didn't get it */
if (contig && !eal_memalloc_is_contig(msl, map_addr, alloc_sz)) {