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author | Jason Gunthorpe <jgg@mellanox.com> | 2019-10-28 16:36:29 -0300 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-10-28 16:36:29 -0300 |
commit | 036313316d3a38bfde9ba49b3d00f73b7d8019d2 (patch) | |
tree | 284127b68e10bd919adb420a5f37dc19d06532f6 /fs/proc/page.c | |
parent | a52dc3a100958f4bf5e921067ba626c2caf8e55f (diff) | |
parent | d6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff) | |
download | linux-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.c | 28 |
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); |