Blackfin: document the lsl variants of the L1 allocator
Make sure the meaning of "lsl" is covered somewhere and it is clear why we
somewhat duplicate the sram alloc/free functions.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c
index fa54a4e..0bc3c4e 100644
--- a/arch/blackfin/mm/sram-alloc.c
+++ b/arch/blackfin/mm/sram-alloc.c
@@ -743,6 +743,10 @@
}
EXPORT_SYMBOL(sram_free_with_lsl);
+/* Allocate memory and keep in L1 SRAM List (lsl) so that the resources are
+ * tracked. These are designed for userspace so that when a process exits,
+ * we can safely reap their resources.
+ */
void *sram_alloc_with_lsl(size_t size, unsigned long flags)
{
void *addr = NULL;