summaryrefslogtreecommitdiffstats
path: root/fs/proc/task_mmu.c
diff options
context:
space:
mode:
authorKalle Valo <kvalo@kernel.org>2023-01-17 13:36:25 +0200
committerKalle Valo <kvalo@kernel.org>2023-01-17 13:36:25 +0200
commitd0e99511834b6828c960e978d9a8cb6e5731250d (patch)
treee7b062c1f9d28a55083477a1462286a7923a57fd /fs/proc/task_mmu.c
parentde7d0ff301fccc75281d7d8eb98c4a47faacf32d (diff)
parent80f8a66dede0a4b4e9e846765a97809c6fe49ce5 (diff)
downloadlinux-d0e99511834b6828c960e978d9a8cb6e5731250d.tar.gz
linux-d0e99511834b6828c960e978d9a8cb6e5731250d.tar.bz2
linux-d0e99511834b6828c960e978d9a8cb6e5731250d.zip
Merge wireless into wireless-next
Due to the two cherry picked commits from wireless to wireless-next we have several conflicts in mt76. To avoid any bugs with conflicts merge wireless into wireless-next. 96f134dc1964 wifi: mt76: handle possible mt76_rx_token_consume failures fe13dad8992b wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf fails
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 8a74cdcc9af0..e35a0398db63 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -274,6 +274,7 @@ static void show_vma_header_prefix(struct seq_file *m,
static void
show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
{
+ struct anon_vma_name *anon_name = NULL;
struct mm_struct *mm = vma->vm_mm;
struct file *file = vma->vm_file;
vm_flags_t flags = vma->vm_flags;
@@ -293,6 +294,8 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
start = vma->vm_start;
end = vma->vm_end;
show_vma_header_prefix(m, start, end, flags, pgoff, dev, ino);
+ if (mm)
+ anon_name = anon_vma_name(vma);
/*
* Print the dentry name for named mappings, and a
@@ -300,7 +303,14 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
*/
if (file) {
seq_pad(m, ' ');
- seq_file_path(m, file, "\n");
+ /*
+ * If user named this anon shared memory via
+ * prctl(PR_SET_VMA ..., use the provided name.
+ */
+ if (anon_name)
+ seq_printf(m, "[anon_shmem:%s]", anon_name->name);
+ else
+ seq_file_path(m, file, "\n");
goto done;
}
@@ -312,8 +322,6 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
name = arch_vma_name(vma);
if (!name) {
- struct anon_vma_name *anon_name;
-
if (!mm) {
name = "[vdso]";
goto done;
@@ -330,7 +338,6 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
goto done;
}
- anon_name = anon_vma_name(vma);
if (anon_name) {
seq_pad(m, ' ');
seq_printf(m, "[anon:%s]", anon_name->name);
@@ -667,6 +674,7 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
[ilog2(VM_RAND_READ)] = "rr",
[ilog2(VM_DONTCOPY)] = "dc",
[ilog2(VM_DONTEXPAND)] = "de",
+ [ilog2(VM_LOCKONFAULT)] = "lf",
[ilog2(VM_ACCOUNT)] = "ac",
[ilog2(VM_NORESERVE)] = "nr",
[ilog2(VM_HUGETLB)] = "ht",