diff options
| author | Tariq Toukan <tariqt@nvidia.com> | 2020-12-30 11:41:52 +0200 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2021-10-26 19:30:38 -0700 |
| commit | 7529cc7fbd9c02eda6851f3260416cbe198a321d (patch) | |
| tree | 684d741c4ca88d3c91b0a7c41c7f9cf5fa95399b /lib/bitmap.c | |
| parent | 06338ceff92510544a732380dbb2d621bd3775bf (diff) | |
| download | linux-7529cc7fbd9c02eda6851f3260416cbe198a321d.tar.gz linux-7529cc7fbd9c02eda6851f3260416cbe198a321d.tar.bz2 linux-7529cc7fbd9c02eda6851f3260416cbe198a321d.zip | |
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.c | 13 |
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); |