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authorHuang Shijie <sjhuang@iluvatar.ai>2019-01-03 15:26:51 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-01-04 13:13:46 -0800
commit6862d2fc81859f88c1f3f660886427893f2b4f3f (patch)
treeba0f464cd33688501ea0f0c5b90af599c91f848f /lib
parent439e00b76a5fb1662e3ae49fc48bd3f950575b9d (diff)
downloadlinux-stericsson-6862d2fc81859f88c1f3f660886427893f2b4f3f.tar.gz
lib/genalloc.c: use vzalloc_node() to allocate the bitmap
Some devices may have big memory on chip, such as over 1G. In some cases, the nbytes maybe bigger then 4M which is the bounday of the memory buddy system (4K default). So use vzalloc_node() to allocate the bitmap. Also use vfree to free it. Link: http://lkml.kernel.org/r/20181225015701.6289-1-sjhuang@iluvatar.ai Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alexey Skidanov <alexey.skidanov@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/genalloc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 5deb25c40a5a..f365d71cdc77 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -187,7 +187,7 @@ int gen_pool_add_virt(struct gen_pool *pool, unsigned long virt, phys_addr_t phy
int nbytes = sizeof(struct gen_pool_chunk) +
BITS_TO_LONGS(nbits) * sizeof(long);
- chunk = kzalloc_node(nbytes, GFP_KERNEL, nid);
+ chunk = vzalloc_node(nbytes, nid);
if (unlikely(chunk == NULL))
return -ENOMEM;
@@ -251,7 +251,7 @@ void gen_pool_destroy(struct gen_pool *pool)
bit = find_next_bit(chunk->bits, end_bit, 0);
BUG_ON(bit < end_bit);
- kfree(chunk);
+ vfree(chunk);
}
kfree_const(pool->name);
kfree(pool);