diff options
Diffstat (limited to 'drivers/staging/ramster/xvmalloc.c')
-rw-r--r-- | drivers/staging/ramster/xvmalloc.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/staging/ramster/xvmalloc.c b/drivers/staging/ramster/xvmalloc.c index 1f9c5082b6d5..93ba8e9407aa 100644 --- a/drivers/staging/ramster/xvmalloc.c +++ b/drivers/staging/ramster/xvmalloc.c @@ -56,17 +56,17 @@ static void clear_flag(struct block_header *block, enum blockflags flag) * This is called from xv_malloc/xv_free path, so it * needs to be fast. */ -static void *get_ptr_atomic(struct page *page, u16 offset, enum km_type type) +static void *get_ptr_atomic(struct page *page, u16 offset) { unsigned char *base; - base = kmap_atomic(page, type); + base = kmap_atomic(page); return base + offset; } -static void put_ptr_atomic(void *ptr, enum km_type type) +static void put_ptr_atomic(void *ptr) { - kunmap_atomic(ptr, type); + kunmap_atomic(ptr); } static u32 get_blockprev(struct block_header *block) @@ -202,10 +202,10 @@ static void insert_block(struct xv_pool *pool, struct page *page, u32 offset, if (block->link.next_page) { nextblock = get_ptr_atomic(block->link.next_page, - block->link.next_offset, KM_USER1); + block->link.next_offset); nextblock->link.prev_page = page; nextblock->link.prev_offset = offset; - put_ptr_atomic(nextblock, KM_USER1); + put_ptr_atomic(nextblock); /* If there was a next page then the free bits are set. */ return; } @@ -225,18 +225,18 @@ static void remove_block(struct xv_pool *pool, struct page *page, u32 offset, if (block->link.prev_page) { tmpblock = get_ptr_atomic(block->link.prev_page, - block->link.prev_offset, KM_USER1); + block->link.prev_offset); tmpblock->link.next_page = block->link.next_page; tmpblock->link.next_offset = block->link.next_offset; - put_ptr_atomic(tmpblock, KM_USER1); + put_ptr_atomic(tmpblock); } if (block->link.next_page) { tmpblock = get_ptr_atomic(block->link.next_page, - block->link.next_offset, KM_USER1); + block->link.next_offset); tmpblock->link.prev_page = block->link.prev_page; tmpblock->link.prev_offset = block->link.prev_offset; - put_ptr_atomic(tmpblock, KM_USER1); + put_ptr_atomic(tmpblock); } /* Is this block is at the head of the freelist? */ @@ -249,11 +249,10 @@ static void remove_block(struct xv_pool *pool, struct page *page, u32 offset, if (pool->freelist[slindex].page) { struct block_header *tmpblock; tmpblock = get_ptr_atomic(pool->freelist[slindex].page, - pool->freelist[slindex].offset, - KM_USER1); + pool->freelist[slindex].offset); tmpblock->link.prev_page = NULL; tmpblock->link.prev_offset = 0; - put_ptr_atomic(tmpblock, KM_USER1); + put_ptr_atomic(tmpblock); } else { /* This freelist bucket is empty */ __clear_bit(slindex % BITS_PER_LONG, @@ -284,7 +283,7 @@ static int grow_pool(struct xv_pool *pool, gfp_t flags) stat_inc(&pool->total_pages); spin_lock(&pool->lock); - block = get_ptr_atomic(page, 0, KM_USER0); + block = get_ptr_atomic(page, 0); block->size = PAGE_SIZE - XV_ALIGN; set_flag(block, BLOCK_FREE); @@ -293,7 +292,7 @@ static int grow_pool(struct xv_pool *pool, gfp_t flags) insert_block(pool, page, 0, block); - put_ptr_atomic(block, KM_USER0); + put_ptr_atomic(block); spin_unlock(&pool->lock); return 0; @@ -375,7 +374,7 @@ int xv_malloc(struct xv_pool *pool, u32 size, struct page **page, return -ENOMEM; } - block = get_ptr_atomic(*page, *offset, KM_USER0); + block = get_ptr_atomic(*page, *offset); remove_block(pool, *page, *offset, block, index); @@ -405,7 +404,7 @@ int xv_malloc(struct xv_pool *pool, u32 size, struct page **page, block->size = origsize; clear_flag(block, BLOCK_FREE); - put_ptr_atomic(block, KM_USER0); + put_ptr_atomic(block); spin_unlock(&pool->lock); *offset += XV_ALIGN; @@ -426,7 +425,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset) spin_lock(&pool->lock); - page_start = get_ptr_atomic(page, 0, KM_USER0); + page_start = get_ptr_atomic(page, 0); block = (struct block_header *)((char *)page_start + offset); /* Catch double free bugs */ @@ -468,7 +467,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset) /* No used objects in this page. Free it. */ if (block->size == PAGE_SIZE - XV_ALIGN) { - put_ptr_atomic(page_start, KM_USER0); + put_ptr_atomic(page_start); spin_unlock(&pool->lock); __free_page(page); @@ -486,7 +485,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset) set_blockprev(tmpblock, offset); } - put_ptr_atomic(page_start, KM_USER0); + put_ptr_atomic(page_start); spin_unlock(&pool->lock); } EXPORT_SYMBOL_GPL(xv_free); |