diff options
Diffstat (limited to 'drivers/staging/zram')
| -rw-r--r-- | drivers/staging/zram/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/staging/zram/Makefile | 3 | ||||
| -rw-r--r-- | drivers/staging/zram/xvmalloc.c | 8 |
3 files changed, 15 insertions, 1 deletions
diff --git a/drivers/staging/zram/Kconfig b/drivers/staging/zram/Kconfig index 2f3b484ce5a4..3bec4dba3fe5 100644 --- a/drivers/staging/zram/Kconfig +++ b/drivers/staging/zram/Kconfig @@ -1,6 +1,11 @@ +config XVMALLOC + bool + default n + config ZRAM tristate "Compressed RAM block device support" depends on BLOCK && SYSFS + select XVMALLOC select LZO_COMPRESS select LZO_DECOMPRESS default n diff --git a/drivers/staging/zram/Makefile b/drivers/staging/zram/Makefile index b1709c57f636..2a6d3213a756 100644 --- a/drivers/staging/zram/Makefile +++ b/drivers/staging/zram/Makefile @@ -1,3 +1,4 @@ -zram-y := zram_drv.o zram_sysfs.o xvmalloc.o +zram-y := zram_drv.o zram_sysfs.o obj-$(CONFIG_ZRAM) += zram.o +obj-$(CONFIG_XVMALLOC) += xvmalloc.o
\ No newline at end of file diff --git a/drivers/staging/zram/xvmalloc.c b/drivers/staging/zram/xvmalloc.c index ae0623a65ab9..1f9c5082b6d5 100644 --- a/drivers/staging/zram/xvmalloc.c +++ b/drivers/staging/zram/xvmalloc.c @@ -14,6 +14,8 @@ #define DEBUG #endif +#include <linux/module.h> +#include <linux/kernel.h> #include <linux/bitops.h> #include <linux/errno.h> #include <linux/highmem.h> @@ -315,11 +317,13 @@ struct xv_pool *xv_create_pool(void) return pool; } +EXPORT_SYMBOL_GPL(xv_create_pool); void xv_destroy_pool(struct xv_pool *pool) { kfree(pool); } +EXPORT_SYMBOL_GPL(xv_destroy_pool); /** * xv_malloc - Allocate block of given size from pool. @@ -408,6 +412,7 @@ int xv_malloc(struct xv_pool *pool, u32 size, struct page **page, return 0; } +EXPORT_SYMBOL_GPL(xv_malloc); /* * Free block identified with <page, offset> @@ -484,6 +489,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset) put_ptr_atomic(page_start, KM_USER0); spin_unlock(&pool->lock); } +EXPORT_SYMBOL_GPL(xv_free); u32 xv_get_object_size(void *obj) { @@ -492,6 +498,7 @@ u32 xv_get_object_size(void *obj) blk = (struct block_header *)((char *)(obj) - XV_ALIGN); return blk->size; } +EXPORT_SYMBOL_GPL(xv_get_object_size); /* * Returns total memory used by allocator (userdata + metadata) @@ -500,3 +507,4 @@ u64 xv_get_total_size_bytes(struct xv_pool *pool) { return pool->total_pages << PAGE_SHIFT; } +EXPORT_SYMBOL_GPL(xv_get_total_size_bytes); |