summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorUladzislau Rezki (Sony) <urezki@gmail.com>2021-06-29 04:40:11 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 19:53:52 +0200
commita2afc59fb25027749bd41c44f47382522232019e (patch)
treeaa5f7ccac4ca6323be95a0450fa107559dc46eb1 /include
parentmm, tracing: unify PFN format strings (diff)
downloadlinux-a2afc59fb25027749bd41c44f47382522232019e.tar.xz
linux-a2afc59fb25027749bd41c44f47382522232019e.zip
mm/page_alloc: add an alloc_pages_bulk_array_node() helper
Patch series "vmalloc() vs bulk allocator", v2. This patch (of 3): 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. Link: https://lkml.kernel.org/r/20210516202056.2120-1-urezki@gmail.com Link: https://lkml.kernel.org/r/20210516202056.2120-2-urezki@gmail.com Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Acked-by: Mel Gorman <mgorman@suse.de> Cc: Mel Gorman <mgorman@suse.de> Cc: Matthew Wilcox <willy@infradead.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/gfp.h9
1 files changed, 9 insertions, 0 deletions
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().