summaryrefslogtreecommitdiff
path: root/drivers/char/mem.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:30 +0100
commita9fda02bfc91a281cd812ae15dabe6bfb9574f90 (patch)
treed7be703f341870f15f87a59a63976f650078b4d6 /drivers/char/mem.c
parentaa3090005d27f3c7fba915ccea36b97b669fa3ab (diff)
parentec706dab290c486837d4a825870ab052bf200279 (diff)
Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into devel-stable
Diffstat (limited to 'drivers/char/mem.c')
-rw-r--r--drivers/char/mem.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index a398ecdbd758..1f528fad3516 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -788,10 +788,11 @@ static const struct file_operations zero_fops = {
/*
* capabilities for /dev/zero
* - permits private mappings, "copies" are taken of the source of zeros
+ * - no writeback happens
*/
static struct backing_dev_info zero_bdi = {
.name = "char/mem",
- .capabilities = BDI_CAP_MAP_COPY,
+ .capabilities = BDI_CAP_MAP_COPY | BDI_CAP_NO_ACCT_AND_WRITEBACK,
};
static const struct file_operations full_fops = {