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Message-ID: <00000140ac8e693e-c2132f75-384b-493a-9dd3-9d0d5f7e8174-000000@email.amazonses.com>
Date: Fri, 23 Aug 2013 19:02:28 +0000
From: Christoph Lameter <cl@...ux.com>
To: Tejun Heo <tj@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: [guv 06/16] staging: Convert __get_cpu_var uses
Signed-off-by: Christoph Lameter <cl@...ux.com>
Index: linux/drivers/staging/zcache/ramster/ramster.c
===================================================================
--- linux.orig/drivers/staging/zcache/ramster/ramster.c 2013-08-22 14:14:40.400841754 -0500
+++ linux/drivers/staging/zcache/ramster/ramster.c 2013-08-22 14:15:51.000000000 -0500
@@ -82,7 +82,7 @@ static struct flushlist_node *ramster_fl
struct flushlist_node *flnode = NULL;
struct ramster_preload *kp;
- kp = &__get_cpu_var(ramster_preloads);
+ kp = this_cpu_ptr(&ramster_preloads);
flnode = kp->flnode;
BUG_ON(flnode == NULL);
kp->flnode = NULL;
@@ -109,7 +109,7 @@ int ramster_do_preload_flnode(struct tme
BUG_ON(!irqs_disabled());
if (unlikely(ramster_flnode_cache == NULL))
BUG();
- kp = &__get_cpu_var(ramster_preloads);
+ kp = this_cpu_ptr(&ramster_preloads);
flnode = kmem_cache_alloc(ramster_flnode_cache, GFP_ATOMIC);
if (unlikely(flnode == NULL) && kp->flnode == NULL)
BUG(); /* FIXME handle more gracefully, but how??? */
@@ -478,8 +478,8 @@ int ramster_remotify_pageframe(bool eph)
struct tmem_handle th[2];
unsigned int zsize[2];
- tmpmem[0] = __get_cpu_var(ramster_remoteputmem1);
- tmpmem[1] = __get_cpu_var(ramster_remoteputmem2);
+ tmpmem[0] = __this_cpu_read(ramster_remoteputmem1);
+ tmpmem[1] = __this_cpu_read(ramster_remoteputmem2);
local_bh_disable();
zbuds = zbud_make_zombie_lru(&th[0], &tmpmem[0], &zsize[0], eph);
/* now OK to release lock set in caller */
Index: linux/drivers/staging/zcache/zcache-main.c
===================================================================
--- linux.orig/drivers/staging/zcache/zcache-main.c 2013-08-22 14:14:40.400841754 -0500
+++ linux/drivers/staging/zcache/zcache-main.c 2013-08-22 14:15:51.000000000 -0500
@@ -250,7 +250,7 @@ static struct tmem_objnode *zcache_objno
struct zcache_preload *kp;
int i;
- kp = &__get_cpu_var(zcache_preloads);
+ kp = this_cpu_ptr(&zcache_preloads);
for (i = 0; i < ARRAY_SIZE(kp->objnodes); i++) {
objnode = kp->objnodes[i];
if (objnode != NULL) {
@@ -275,7 +275,7 @@ static struct tmem_obj *zcache_obj_alloc
struct tmem_obj *obj = NULL;
struct zcache_preload *kp;
- kp = &__get_cpu_var(zcache_preloads);
+ kp = this_cpu_ptr(&zcache_preloads);
obj = kp->obj;
BUG_ON(obj == NULL);
kp->obj = NULL;
@@ -531,7 +531,7 @@ void *zcache_pampd_create(char *data, un
/* pre-allocate per-cpu metadata */
BUG_ON(zcache_objnode_cache == NULL);
BUG_ON(zcache_obj_cache == NULL);
- kp = &__get_cpu_var(zcache_preloads);
+ kp = this_cpu_ptr(&zcache_preloads);
for (i = 0; i < ARRAY_SIZE(kp->objnodes); i++) {
objnode = kp->objnodes[i];
if (objnode == NULL) {
@@ -761,7 +761,7 @@ static DEFINE_PER_CPU(unsigned char *, z
static void zcache_compress(struct page *from, void **out_va, unsigned *out_len)
{
int ret;
- unsigned char *dmem = __get_cpu_var(zcache_dstmem);
+ unsigned char *dmem = __this_cpu_read(zcache_dstmem);
char *from_va;
BUG_ON(!irqs_disabled());
Index: linux/drivers/staging/zsmalloc/zsmalloc-main.c
===================================================================
--- linux.orig/drivers/staging/zsmalloc/zsmalloc-main.c 2013-08-22 14:14:29.000000000 -0500
+++ linux/drivers/staging/zsmalloc/zsmalloc-main.c 2013-08-22 14:15:51.000000000 -0500
@@ -1028,7 +1028,7 @@ void zs_unmap_object(struct zs_pool *poo
class = &pool->size_class[class_idx];
off = obj_idx_to_offset(page, obj_idx, class->size);
- area = &__get_cpu_var(zs_map_area);
+ area = this_cpu_ptr(&zs_map_area);
if (off + class->size <= PAGE_SIZE)
kunmap_atomic(area->vm_addr);
else {
--
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