5.15-stable review patch. If anyone has any objections, please let me know.
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From: Tariq Toukan tariqt@nvidia.com
[ Upstream commit 7529cc7fbd9c02eda6851f3260416cbe198a321d ]
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 Stable-dep-of: 531d0d32de3e ("net/mlx5: Correctly set gso_size when LRO is used") Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/bitmap.h | 2 ++ lib/bitmap.c | 13 +++++++++++++ 2 files changed, 15 insertions(+)
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index ce03547d69f45..795d57d3ca086 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -123,6 +123,8 @@ struct device; */ unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags); unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags); +unsigned long *bitmap_alloc_node(unsigned int nbits, gfp_t flags, int node); +unsigned long *bitmap_zalloc_node(unsigned int nbits, gfp_t flags, int node); void bitmap_free(const unsigned long *bitmap);
/* Managed variants of the above. */ diff --git a/lib/bitmap.c b/lib/bitmap.c index 663dd81967d4e..9264088834566 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);