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authorTariq Toukan <tariqt@nvidia.com>2020-12-30 12:41:52 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2021-10-27 05:30:38 +0300
commit7529cc7fbd9c02eda6851f3260416cbe198a321d (patch)
tree684d741c4ca88d3c91b0a7c41c7f9cf5fa95399b /lib/bitmap.c
parent06338ceff92510544a732380dbb2d621bd3775bf (diff)
downloadlinux-7529cc7fbd9c02eda6851f3260416cbe198a321d.tar.xz
lib: bitmap: Introduce node-aware alloc API
Expose new node-aware API for bitmap allocation: bitmap_alloc_node() / bitmap_zalloc_node(). Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Moshe Shemesh <moshe@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'lib/bitmap.c')
-rw-r--r--lib/bitmap.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 663dd81967d4..926408883456 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -1398,6 +1398,19 @@ unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags)
}
EXPORT_SYMBOL(bitmap_zalloc);
+unsigned long *bitmap_alloc_node(unsigned int nbits, gfp_t flags, int node)
+{
+ return kmalloc_array_node(BITS_TO_LONGS(nbits), sizeof(unsigned long),
+ flags, node);
+}
+EXPORT_SYMBOL(bitmap_alloc_node);
+
+unsigned long *bitmap_zalloc_node(unsigned int nbits, gfp_t flags, int node)
+{
+ return bitmap_alloc_node(nbits, flags | __GFP_ZERO, node);
+}
+EXPORT_SYMBOL(bitmap_zalloc_node);
+
void bitmap_free(const unsigned long *bitmap)
{
kfree(bitmap);