lkml.org 
[lkml]   [2021]   [May]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] mm/page_alloc: Add an alloc_pages_bulk_array_node() helper
Date
Add a "node" variant of the alloc_pages_bulk_array() function.
The helper guarantees that a __alloc_pages_bulk() is invoked
with a valid NUMA node ID.

Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Acked-by: Mel Gorman <mgorman@suse.de>
---
include/linux/gfp.h | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 11da8af06704..94f0b8b1cb55 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -536,6 +536,15 @@ alloc_pages_bulk_array(gfp_t gfp, unsigned long nr_pages, struct page **page_arr
return __alloc_pages_bulk(gfp, numa_mem_id(), NULL, nr_pages, NULL, page_array);
}

+static inline unsigned long
+alloc_pages_bulk_array_node(gfp_t gfp, int nid, unsigned long nr_pages, struct page **page_array)
+{
+ if (nid == NUMA_NO_NODE)
+ nid = numa_mem_id();
+
+ return __alloc_pages_bulk(gfp, nid, NULL, nr_pages, NULL, page_array);
+}
+
/*
* Allocate pages, preferring the node given as nid. The node must be valid and
* online. For more general interface, see alloc_pages_node().
--
2.20.1
\
 
 \ /
  Last update: 2021-05-16 22:23    [W:0.124 / U:0.736 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site