diff options
| author | trociny <trociny@FreeBSD.org> | 2011-11-07 21:13:19 +0000 |
|---|---|---|
| committer | trociny <trociny@FreeBSD.org> | 2011-11-07 21:13:19 +0000 |
| commit | 9cd1f9add22569c1a8d000354809c4e39cde5ef6 (patch) | |
| tree | b1fe02d331b9ad44e20ded27f675fc709ecbd18a /sys/kern/kern_proc.c | |
| parent | f25b803473a0f1771f7f9c030ab431ac4d3f51c6 (diff) | |
| download | FreeBSD-src-9cd1f9add22569c1a8d000354809c4e39cde5ef6.zip FreeBSD-src-9cd1f9add22569c1a8d000354809c4e39cde5ef6.tar.gz | |
Add KVME_FLAG_SUPER and use it in sysctl_kern_proc_vmmap for marking
entries with superpages.
Submitted by: Mel Flynn <mel.flynn+fbsd.hackers@mailing.thruhere.net>
Reviewed by: alc, rwatson
Diffstat (limited to 'sys/kern/kern_proc.c')
| -rw-r--r-- | sys/kern/kern_proc.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c index 998e7ca..449acc2 100644 --- a/sys/kern/kern_proc.c +++ b/sys/kern/kern_proc.c @@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$"); #include <sys/lock.h> #include <sys/loginclass.h> #include <sys/malloc.h> +#include <sys/mman.h> #include <sys/mount.h> #include <sys/mutex.h> #include <sys/proc.h> @@ -75,6 +76,7 @@ __FBSDID("$FreeBSD$"); #include <vm/pmap.h> #include <vm/vm_map.h> #include <vm/vm_object.h> +#include <vm/vm_page.h> #include <vm/uma.h> #ifdef COMPAT_FREEBSD32 @@ -1710,7 +1712,8 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_ARGS) entry = entry->next) { vm_object_t obj, tobj, lobj; vm_offset_t addr; - int vfslocked; + vm_paddr_t locked_pa; + int vfslocked, mincoreinfo; if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) continue; @@ -1728,8 +1731,14 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_ARGS) kve->kve_resident = 0; addr = entry->start; while (addr < entry->end) { - if (pmap_extract(map->pmap, addr)) + locked_pa = 0; + mincoreinfo = pmap_mincore(map->pmap, addr, &locked_pa); + if (locked_pa != 0) + vm_page_unlock(PHYS_TO_VM_PAGE(locked_pa)); + if (mincoreinfo & MINCORE_INCORE) kve->kve_resident++; + if (mincoreinfo & MINCORE_SUPER) + kve->kve_flags |= KVME_FLAG_SUPER; addr += PAGE_SIZE; } |
