summaryrefslogtreecommitdiff
path: root/fs/proc/task_mmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index a20c6e495bb2..7e074138d2f2 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -18,6 +18,7 @@
#include <linux/page_idle.h>
#include <linux/shmem_fs.h>
#include <linux/uaccess.h>
+#include <linux/pkeys.h>
#include <asm/elf.h>
#include <asm/tlb.h>
@@ -673,13 +674,16 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
[ilog2(VM_MERGEABLE)] = "mg",
[ilog2(VM_UFFD_MISSING)]= "um",
[ilog2(VM_UFFD_WP)] = "uw",
-#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
+#ifdef CONFIG_ARCH_HAS_PKEYS
/* These come out via ProtectionKey: */
[ilog2(VM_PKEY_BIT0)] = "",
[ilog2(VM_PKEY_BIT1)] = "",
[ilog2(VM_PKEY_BIT2)] = "",
[ilog2(VM_PKEY_BIT3)] = "",
+#if VM_PKEY_BIT4
+ [ilog2(VM_PKEY_BIT4)] = "",
#endif
+#endif /* CONFIG_ARCH_HAS_PKEYS */
};
size_t i;
@@ -727,10 +731,6 @@ static int smaps_hugetlb_range(pte_t *pte, unsigned long hmask,
}
#endif /* HUGETLB_PAGE */
-void __weak arch_show_smap(struct seq_file *m, struct vm_area_struct *vma)
-{
-}
-
#define SEQ_PUT_DEC(str, val) \
seq_put_decimal_ull_width(m, str, (val) >> 10, 8)
static int show_smap(struct seq_file *m, void *v, int is_pid)
@@ -835,7 +835,8 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
seq_puts(m, " kB\n");
}
if (!rollup_mode) {
- arch_show_smap(m, vma);
+ if (arch_pkeys_enabled())
+ seq_printf(m, "ProtectionKey: %8u\n", vma_pkey(vma));
show_smap_vma_flags(m, vma);
}
m_cache_vma(m, vma);