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Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r--mm/mempolicy.c63
1 files changed, 4 insertions, 59 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 58fb833fce0c..5837a067124d 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1116,8 +1116,8 @@ static struct page *new_page(struct page *page, unsigned long start)
} else if (PageTransHuge(page)) {
struct page *thp;
- thp = alloc_hugepage_vma(GFP_TRANSHUGE, vma, address,
- HPAGE_PMD_ORDER);
+ thp = alloc_pages_vma(GFP_TRANSHUGE, HPAGE_PMD_ORDER, vma,
+ address, numa_node_id());
if (!thp)
return NULL;
prep_transhuge_page(thp);
@@ -1662,7 +1662,7 @@ struct mempolicy *__get_vma_policy(struct vm_area_struct *vma,
* freeing by another task. It is the caller's responsibility to free the
* extra reference for shared policies.
*/
-static struct mempolicy *get_vma_policy(struct vm_area_struct *vma,
+struct mempolicy *get_vma_policy(struct vm_area_struct *vma,
unsigned long addr)
{
struct mempolicy *pol = __get_vma_policy(vma, addr);
@@ -2011,7 +2011,6 @@ static struct page *alloc_page_interleave(gfp_t gfp, unsigned order,
* @vma: Pointer to VMA or NULL if not available.
* @addr: Virtual Address of the allocation. Must be inside the VMA.
* @node: Which node to prefer for allocation (modulo policy).
- * @hugepage: for hugepages try only the preferred node if possible
*
* This function allocates a page from the kernel page pool and applies
* a NUMA policy associated with the VMA or the current process.
@@ -2022,7 +2021,7 @@ static struct page *alloc_page_interleave(gfp_t gfp, unsigned order,
*/
struct page *
alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma,
- unsigned long addr, int node, bool hugepage)
+ unsigned long addr, int node)
{
struct mempolicy *pol;
struct page *page;
@@ -2040,60 +2039,6 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma,
goto out;
}
- if (unlikely(IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && hugepage)) {
- int hpage_node = node;
-
- /*
- * For hugepage allocation and non-interleave policy which
- * allows the current node (or other explicitly preferred
- * node) we only try to allocate from the current/preferred
- * node and don't fall back to other nodes, as the cost of
- * remote accesses would likely offset THP benefits.
- *
- * If the policy is interleave, or does not allow the current
- * node in its nodemask, we allocate the standard way.
- */
- if (pol->mode == MPOL_PREFERRED &&
- !(pol->flags & MPOL_F_LOCAL))
- hpage_node = pol->v.preferred_node;
-
- nmask = policy_nodemask(gfp, pol);
- if (!nmask || node_isset(hpage_node, *nmask)) {
- mpol_cond_put(pol);
- /*
- * We cannot invoke reclaim if __GFP_THISNODE
- * is set. Invoking reclaim with
- * __GFP_THISNODE set, would cause THP
- * allocations to trigger heavy swapping
- * despite there may be tons of free memory
- * (including potentially plenty of THP
- * already available in the buddy) on all the
- * other NUMA nodes.
- *
- * At most we could invoke compaction when
- * __GFP_THISNODE is set (but we would need to
- * refrain from invoking reclaim even if
- * compaction returned COMPACT_SKIPPED because
- * there wasn't not enough memory to succeed
- * compaction). For now just avoid
- * __GFP_THISNODE instead of limiting the
- * allocation path to a strict and single
- * compaction invocation.
- *
- * Supposedly if direct reclaim was enabled by
- * the caller, the app prefers THP regardless
- * of the node it comes from so this would be
- * more desiderable behavior than only
- * providing THP originated from the local
- * node in such case.
- */
- if (!(gfp & __GFP_DIRECT_RECLAIM))
- gfp |= __GFP_THISNODE;
- page = __alloc_pages_node(hpage_node, gfp, order);
- goto out;
- }
- }
-
nmask = policy_nodemask(gfp, pol);
preferred_nid = policy_node(gfp, pol, node);
page = __alloc_pages_nodemask(gfp, order, preferred_nid, nmask);