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Diffstat (limited to 'lib/librte_eal/linuxapp/eal/eal_memory.c')
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_memory.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index bac969a1..8d0456b5 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -396,7 +396,7 @@ map_all_hugepages(struct hugepage_file *hugepg_tbl, struct hugepage_info *hpi,
int node_id = -1;
int essential_prev = 0;
int oldpolicy;
- struct bitmask *oldmask = numa_allocate_nodemask();
+ struct bitmask *oldmask = NULL;
bool have_numa = true;
unsigned long maxnode = 0;
@@ -408,6 +408,7 @@ map_all_hugepages(struct hugepage_file *hugepg_tbl, struct hugepage_info *hpi,
if (orig && have_numa) {
RTE_LOG(DEBUG, EAL, "Trying to obtain current memory policy.\n");
+ oldmask = numa_allocate_nodemask();
if (get_mempolicy(&oldpolicy, oldmask->maskp,
oldmask->size + 1, 0, 0) < 0) {
RTE_LOG(ERR, EAL,
@@ -421,6 +422,21 @@ map_all_hugepages(struct hugepage_file *hugepg_tbl, struct hugepage_info *hpi,
}
#endif
+#ifdef RTE_ARCH_64
+ /*
+ * Hugepages are first mmaped individually and then re-mmapped to
+ * another region for having contiguous physical pages in contiguous
+ * virtual addresses. Setting here vma_addr for the first hugepage
+ * mapped to a virtual address which will not collide with the second
+ * mmaping later. The next hugepages will use increments of this
+ * initial address.
+ *
+ * The final virtual address will be based on baseaddr which is
+ * 0x100000000. We use a hint here starting at 0x200000000, leaving
+ * another 4GB just in case, plus the total available hugepages memory.
+ */
+ vma_addr = (char *)0x200000000 + (hpi->hugepage_sz * hpi->num_pages[0]);
+#endif
for (i = 0; i < hpi->num_pages[0]; i++) {
uint64_t hugepage_sz = hpi->hugepage_sz;
@@ -588,7 +604,8 @@ out:
numa_set_localalloc();
}
}
- numa_free_cpumask(oldmask);
+ if (oldmask != NULL)
+ numa_free_cpumask(oldmask);
#endif
return i;
}