Blackfin arch: add missing CONFIG_LARGE_ALLOCS when upstream merging

Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 2372b0382a6eb35de19c75c6105ef44368435c05..017defaa525b2b8981889437824df7ae4220c246 100644 (file)
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -585,6 +585,14 @@ endchoice
 
 source "mm/Kconfig"
 
+config LARGE_ALLOCS
+       bool "Allow allocating large blocks (> 1MB) of memory"
+       help
+         Allow the slab memory allocator to keep chains for very large
+         memory sizes - upto 32MB. You may need this if your system has
+         a lot of RAM, and you need to able to allocate very large
+         contiguous chunks. If unsure, say N.
+
 config BFIN_DMA_5XX
        bool "Enable DMA Support"
        depends on (BF533 || BF532 || BF531 || BF537 || BF536 || BF534 || BF561 || BF54x)