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authorJason Gunthorpe <jgg@mellanox.com>2019-10-28 16:36:29 -0300
committerJason Gunthorpe <jgg@mellanox.com>2019-10-28 16:36:29 -0300
commit036313316d3a38bfde9ba49b3d00f73b7d8019d2 (patch)
tree284127b68e10bd919adb420a5f37dc19d06532f6 /fs/proc/page.c
parenta52dc3a100958f4bf5e921067ba626c2caf8e55f (diff)
parentd6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff)
downloadlinux-036313316d3a38bfde9ba49b3d00f73b7d8019d2.tar.bz2
Merge tag 'v5.4-rc5' into rdma.git for-next
Linux 5.4-rc5 For dependencies in the next patches Conflict resolved by keeping the delete of the unlock. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'fs/proc/page.c')
-rw-r--r--fs/proc/page.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 544d1ee15aee..7c952ee732e6 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -42,10 +42,12 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
return -EINVAL;
while (count > 0) {
- if (pfn_valid(pfn))
- ppage = pfn_to_page(pfn);
- else
- ppage = NULL;
+ /*
+ * TODO: ZONE_DEVICE support requires to identify
+ * memmaps that were actually initialized.
+ */
+ ppage = pfn_to_online_page(pfn);
+
if (!ppage || PageSlab(ppage) || page_has_type(ppage))
pcount = 0;
else
@@ -216,10 +218,11 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
return -EINVAL;
while (count > 0) {
- if (pfn_valid(pfn))
- ppage = pfn_to_page(pfn);
- else
- ppage = NULL;
+ /*
+ * TODO: ZONE_DEVICE support requires to identify
+ * memmaps that were actually initialized.
+ */
+ ppage = pfn_to_online_page(pfn);
if (put_user(stable_page_flags(ppage), out)) {
ret = -EFAULT;
@@ -261,10 +264,11 @@ static ssize_t kpagecgroup_read(struct file *file, char __user *buf,
return -EINVAL;
while (count > 0) {
- if (pfn_valid(pfn))
- ppage = pfn_to_page(pfn);
- else
- ppage = NULL;
+ /*
+ * TODO: ZONE_DEVICE support requires to identify
+ * memmaps that were actually initialized.
+ */
+ ppage = pfn_to_online_page(pfn);
if (ppage)
ino = page_cgroup_ino(ppage);