Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 10 insertions, 6 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 067cf7d3daf5..977c641f78cf 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2148,18 +2148,22 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma,
 		nmask = policy_nodemask(gfp, pol);
 		if (!nmask || node_isset(hpage_node, *nmask)) {
 			mpol_cond_put(pol);
+			/*
+			 * First, try to allocate THP only on local node, but
+			 * don't reclaim unnecessarily, just compact.
+			 */
 			page = __alloc_pages_node(hpage_node,
-						gfp | __GFP_THISNODE, order);
+				gfp | __GFP_THISNODE | __GFP_NORETRY, order);
 
 			/*
 			 * If hugepage allocations are configured to always
 			 * synchronous compact or the vma has been madvised
 			 * to prefer hugepage backing, retry allowing remote
-			 * memory as well.
+			 * memory with both reclaim and compact as well.
 			 */
 			if (!page && (gfp & __GFP_DIRECT_RECLAIM))
 				page = __alloc_pages_node(hpage_node,
-						gfp | __GFP_NORETRY, order);
+								gfp, order);
 
 			goto out;
 		}
@@ -2817,6 +2821,9 @@ int mpol_parse_str(char *str, struct mempolicy **mpol)
 	char *flags = strchr(str, '=');
 	int err = 1, mode;
 
+	if (flags)
+		*flags++ = '\0';	/* terminate mode string */
+
 	if (nodelist) {
 		/* NUL-terminate mode or flags string */
 		*nodelist++ = '\0';
@@ -2827,9 +2834,6 @@ int mpol_parse_str(char *str, struct mempolicy **mpol)
 	} else
 		nodes_clear(nodes);
 
-	if (flags)
-		*flags++ = '\0';	/* terminate mode string */
-
 	mode = match_string(policy_modes, MPOL_MAX, str);
 	if (mode < 0)
 		goto out;