diff options
author | Dave Barach <dave@barachs.net> | 2018-07-04 10:56:23 -0400 |
---|---|---|
committer | Damjan Marion <dmarion@me.com> | 2018-07-18 12:09:42 +0000 |
commit | 6a5adc369591fcac2447e9809deaa22f56b53911 (patch) | |
tree | c9a56b1ed0d5e8eb2f21a843552c6c0bc6df5597 /src/svm/svm.c | |
parent | 2a3fb1a28b170ac1d37815983611e83d148811d4 (diff) |
Add config option to use dlmalloc instead of mheap
Configure w/ --enable-dlmalloc, see .../build-data/platforms/vpp.mk
src/vppinfra/dlmalloc.[ch] are slightly modified versions of the
well-known Doug Lea malloc. Main advantage: dlmalloc mspaces have no
inherent size limit.
Change-Id: I19b3f43f3c65bcfb82c1a265a97922d01912446e
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/svm/svm.c')
-rw-r--r-- | src/svm/svm.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/svm/svm.c b/src/svm/svm.c index d958c8378e5..aa84a2fe3b4 100644 --- a/src/svm/svm.c +++ b/src/svm/svm.c @@ -236,6 +236,7 @@ format_svm_region (u8 * s, va_list * args) } } } +#if USE_DLMALLOC == 0 s = format (s, " rgn heap stats: %U", format_mheap, rp->region_heap, 0); if ((rp->flags & SVM_FLAGS_MHEAP) && rp->data_heap) @@ -244,6 +245,7 @@ format_svm_region (u8 * s, va_list * args) rp->data_heap, 1); } s = format (s, "\n"); +#endif } return (s); @@ -339,12 +341,18 @@ svm_data_region_create (svm_map_region_args_t * a, svm_region_t * rp) if (a->flags & SVM_FLAGS_MHEAP) { +#if USE_DLMALLOC == 0 mheap_t *heap_header; rp->data_heap = mheap_alloc_with_flags ((void *) (rp->data_base), map_size, MHEAP_FLAG_DISABLE_VM); heap_header = mheap_header (rp->data_heap); heap_header->flags |= MHEAP_FLAG_THREAD_SAFE; +#else + rp->data_heap = create_mspace_with_base (rp->data_base, + map_size, 1 /* locked */ ); + mspace_disable_expand (rp->data_heap); +#endif rp->flags |= SVM_FLAGS_MHEAP; } @@ -518,12 +526,22 @@ svm_region_init_mapped_region (svm_map_region_args_t * a, svm_region_t * rp) rp->virtual_base = a->baseva; rp->virtual_size = a->size; +#if USE_DLMALLOC == 0 rp->region_heap = mheap_alloc_with_flags (uword_to_pointer (a->baseva + MMAP_PAGESIZE, void *), (a->pvt_heap_size != 0) ? a->pvt_heap_size : SVM_PVT_MHEAP_SIZE, MHEAP_FLAG_DISABLE_VM); +#else + rp->region_heap = create_mspace_with_base + (uword_to_pointer (a->baseva + MMAP_PAGESIZE, void *), + (a->pvt_heap_size != + 0) ? a->pvt_heap_size : SVM_PVT_MHEAP_SIZE, 1 /* locked */ ); + + mspace_disable_expand (rp->region_heap); +#endif + oldheap = svm_push_pvt_heap (rp); rp->region_name = (char *) format (0, "%s%c", a->name, 0); |