summaryrefslogtreecommitdiffstats
path: root/drivers/staging/ramster/xvmalloc.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 09:40:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 09:40:26 -0700
commit9f3938346a5c1fa504647670edb5fea5756cfb00 (patch)
tree7cf6d24d6b076c8db8571494984924cac03703a2 /drivers/staging/ramster/xvmalloc.c
parent69a7aebcf019ab3ff5764525ad6858fbe23bb86d (diff)
parent317b6e128247f75976b0fc2b9fd8d2c20ef13b3a (diff)
downloadop-kernel-dev-9f3938346a5c1fa504647670edb5fea5756cfb00.zip
op-kernel-dev-9f3938346a5c1fa504647670edb5fea5756cfb00.tar.gz
Merge branch 'kmap_atomic' of git://github.com/congwang/linux
Pull kmap_atomic cleanup from Cong Wang. It's been in -next for a long time, and it gets rid of the (no longer used) second argument to k[un]map_atomic(). Fix up a few trivial conflicts in various drivers, and do an "evil merge" to catch some new uses that have come in since Cong's tree. * 'kmap_atomic' of git://github.com/congwang/linux: (59 commits) feature-removal-schedule.txt: schedule the deprecated form of kmap_atomic() for removal highmem: kill all __kmap_atomic() [swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename] drbd: remove the second argument of k[un]map_atomic() zcache: remove the second argument of k[un]map_atomic() gma500: remove the second argument of k[un]map_atomic() dm: remove the second argument of k[un]map_atomic() tomoyo: remove the second argument of k[un]map_atomic() sunrpc: remove the second argument of k[un]map_atomic() rds: remove the second argument of k[un]map_atomic() net: remove the second argument of k[un]map_atomic() mm: remove the second argument of k[un]map_atomic() lib: remove the second argument of k[un]map_atomic() power: remove the second argument of k[un]map_atomic() kdb: remove the second argument of k[un]map_atomic() udf: remove the second argument of k[un]map_atomic() ubifs: remove the second argument of k[un]map_atomic() squashfs: remove the second argument of k[un]map_atomic() reiserfs: remove the second argument of k[un]map_atomic() ocfs2: remove the second argument of k[un]map_atomic() ntfs: remove the second argument of k[un]map_atomic() ...
Diffstat (limited to 'drivers/staging/ramster/xvmalloc.c')
-rw-r--r--drivers/staging/ramster/xvmalloc.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/staging/ramster/xvmalloc.c b/drivers/staging/ramster/xvmalloc.c
index 1f9c508..93ba8e9 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);
OpenPOWER on IntegriCloud