svn commit: r220373 - in head/sys: compat/linux compat/svr4
i386/linux kern vm
Edward Tomasz Napierala
trasz at FreeBSD.org
Tue Apr 5 20:23:59 UTC 2011
Author: trasz
Date: Tue Apr 5 20:23:59 2011
New Revision: 220373
URL: http://svn.freebsd.org/changeset/base/220373
Log:
Add accounting for most of the memory-related resources.
Sponsored by: The FreeBSD Foundation
Reviewed by: kib (earlier version)
Modified:
head/sys/compat/linux/linux_misc.c
head/sys/compat/svr4/imgact_svr4.c
head/sys/i386/linux/imgact_linux.c
head/sys/kern/imgact_aout.c
head/sys/kern/imgact_elf.c
head/sys/kern/imgact_gzip.c
head/sys/vm/swap_pager.c
head/sys/vm/vm_glue.c
head/sys/vm/vm_map.c
head/sys/vm/vm_mmap.c
head/sys/vm/vm_unix.c
Modified: head/sys/compat/linux/linux_misc.c
==============================================================================
--- head/sys/compat/linux/linux_misc.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/compat/linux/linux_misc.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/reboot.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/sched.h>
#include <sys/signalvar.h>
@@ -357,7 +358,9 @@ linux_uselib(struct thread *td, struct l
*/
PROC_LOCK(td->td_proc);
if (a_out->a_text > maxtsiz ||
- a_out->a_data + bss_size > lim_cur(td->td_proc, RLIMIT_DATA)) {
+ a_out->a_data + bss_size > lim_cur(td->td_proc, RLIMIT_DATA) ||
+ racct_set(td->td_proc, RACCT_DATA, a_out->a_data +
+ bss_size) != 0) {
PROC_UNLOCK(td->td_proc);
error = ENOMEM;
goto cleanup;
Modified: head/sys/compat/svr4/imgact_svr4.c
==============================================================================
--- head/sys/compat/svr4/imgact_svr4.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/compat/svr4/imgact_svr4.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
#include <sys/mman.h>
#include <sys/mutex.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/vnode.h>
@@ -108,7 +109,8 @@ exec_svr4_imgact(imgp)
*/
PROC_LOCK(imgp->proc);
if (a_out->a_text > maxtsiz ||
- a_out->a_data + bss_size > lim_cur(imgp->proc, RLIMIT_DATA)) {
+ a_out->a_data + bss_size > lim_cur(imgp->proc, RLIMIT_DATA) ||
+ racct_set(imgp->proc, RACCT_DATA, a_out->a_data + bss_size) != 0) {;
PROC_UNLOCK(imgp->proc);
return (ENOMEM);
}
Modified: head/sys/i386/linux/imgact_linux.c
==============================================================================
--- head/sys/i386/linux/imgact_linux.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/i386/linux/imgact_linux.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
#include <sys/mman.h>
#include <sys/mutex.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/vnode.h>
@@ -107,7 +108,8 @@ exec_linux_imgact(struct image_params *i
*/
PROC_LOCK(imgp->proc);
if (a_out->a_text > maxtsiz ||
- a_out->a_data + bss_size > lim_cur(imgp->proc, RLIMIT_DATA)) {
+ a_out->a_data + bss_size > lim_cur(imgp->proc, RLIMIT_DATA) ||
+ racct_set(imgp->proc, RACCT_DATA, a_out->a_data + bss_size) != 0) {
PROC_UNLOCK(imgp->proc);
return (ENOMEM);
}
Modified: head/sys/kern/imgact_aout.c
==============================================================================
--- head/sys/kern/imgact_aout.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/kern/imgact_aout.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/signalvar.h>
#include <sys/syscall.h>
@@ -245,7 +246,8 @@ exec_aout_imgact(struct image_params *im
a_out->a_text > maxtsiz ||
/* data + bss can't exceed rlimit */
- a_out->a_data + bss_size > lim_cur(imgp->proc, RLIMIT_DATA)) {
+ a_out->a_data + bss_size > lim_cur(imgp->proc, RLIMIT_DATA) ||
+ racct_set(imgp->proc, RACCT_DATA, a_out->a_data + bss_size) != 0) {
PROC_UNLOCK(imgp->proc);
return (ENOMEM);
}
Modified: head/sys/kern/imgact_elf.c
==============================================================================
--- head/sys/kern/imgact_elf.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/kern/imgact_elf.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$");
#include <sys/pioctl.h>
#include <sys/proc.h>
#include <sys/procfs.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/sf_buf.h>
#include <sys/smp.h>
@@ -874,7 +875,9 @@ __CONCAT(exec_, __elfN(imgact))(struct i
PROC_LOCK(imgp->proc);
if (data_size > lim_cur(imgp->proc, RLIMIT_DATA) ||
text_size > maxtsiz ||
- total_size > lim_cur(imgp->proc, RLIMIT_VMEM)) {
+ total_size > lim_cur(imgp->proc, RLIMIT_VMEM) ||
+ racct_set(imgp->proc, RACCT_DATA, data_size) != 0 ||
+ racct_set(imgp->proc, RACCT_VMEM, total_size) != 0) {
PROC_UNLOCK(imgp->proc);
return (ENOMEM);
}
@@ -1101,6 +1104,13 @@ __elfN(coredump)(struct thread *td, stru
hdrsize = 0;
__elfN(puthdr)(td, (void *)NULL, &hdrsize, seginfo.count);
+ PROC_LOCK(td->td_proc);
+ error = racct_add(td->td_proc, RACCT_CORE, hdrsize + seginfo.size);
+ PROC_UNLOCK(td->td_proc);
+ if (error != 0) {
+ error = EFAULT;
+ goto done;
+ }
if (hdrsize + seginfo.size >= limit) {
error = EFAULT;
goto done;
Modified: head/sys/kern/imgact_gzip.c
==============================================================================
--- head/sys/kern/imgact_gzip.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/kern/imgact_gzip.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -33,6 +33,7 @@ __FBSDID("$FreeBSD$");
#include <sys/mman.h>
#include <sys/mutex.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/sysent.h>
#include <sys/systm.h>
@@ -216,7 +217,9 @@ do_aout_hdr(struct imgact_gzip * gz)
/* data + bss can't exceed rlimit */
gz->a_out.a_data + gz->bss_size >
- lim_cur(gz->ip->proc, RLIMIT_DATA)) {
+ lim_cur(gz->ip->proc, RLIMIT_DATA) ||
+ racct_set(gz->ip->proc, RACCT_DATA,
+ gz->a_out.a_data + gz->bss_size) != 0) {
PROC_UNLOCK(gz->ip->proc);
gz->where = __LINE__;
return (ENOMEM);
Modified: head/sys/vm/swap_pager.c
==============================================================================
--- head/sys/vm/swap_pager.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/vm/swap_pager.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -86,6 +86,7 @@ __FBSDID("$FreeBSD$");
#include <sys/namei.h>
#include <sys/vnode.h>
#include <sys/malloc.h>
+#include <sys/racct.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <sys/sysctl.h>
@@ -192,6 +193,12 @@ swap_reserve_by_cred(vm_ooffset_t incr,
if (incr & PAGE_MASK)
panic("swap_reserve: & PAGE_MASK");
+ PROC_LOCK(curproc);
+ error = racct_add(curproc, RACCT_SWAP, incr);
+ PROC_UNLOCK(curproc);
+ if (error != 0)
+ return (0);
+
res = 0;
mtx_lock(&sw_dev_mtx);
r = swap_reserved + incr;
@@ -230,6 +237,12 @@ swap_reserve_by_cred(vm_ooffset_t incr,
curproc->p_pid, uip->ui_uid, incr);
}
+ if (!res) {
+ PROC_LOCK(curproc);
+ racct_sub(curproc, RACCT_SWAP, incr);
+ PROC_UNLOCK(curproc);
+ }
+
return (res);
}
@@ -242,6 +255,10 @@ swap_reserve_force(vm_ooffset_t incr)
swap_reserved += incr;
mtx_unlock(&sw_dev_mtx);
+ PROC_LOCK(curproc);
+ racct_add_force(curproc, RACCT_SWAP, incr);
+ PROC_UNLOCK(curproc);
+
uip = curthread->td_ucred->cr_ruidinfo;
PROC_LOCK(curproc);
UIDINFO_VMSIZE_LOCK(uip);
@@ -282,6 +299,8 @@ swap_release_by_cred(vm_ooffset_t decr,
printf("negative vmsize for uid = %d\n", uip->ui_uid);
uip->ui_vmsize -= decr;
UIDINFO_VMSIZE_UNLOCK(uip);
+
+ racct_sub_cred(cred, RACCT_SWAP, decr);
}
static void swapdev_strategy(struct buf *, struct swdevt *sw);
Modified: head/sys/vm/vm_glue.c
==============================================================================
--- head/sys/vm/vm_glue.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/vm/vm_glue.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -69,6 +69,7 @@ __FBSDID("$FreeBSD$");
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/sched.h>
#include <sys/sf_buf.h>
@@ -182,6 +183,7 @@ int
vslock(void *addr, size_t len)
{
vm_offset_t end, last, start;
+ unsigned long nsize;
vm_size_t npages;
int error;
@@ -194,9 +196,13 @@ vslock(void *addr, size_t len)
if (npages > vm_page_max_wired)
return (ENOMEM);
PROC_LOCK(curproc);
- if (ptoa(npages +
- pmap_wired_count(vm_map_pmap(&curproc->p_vmspace->vm_map))) >
- lim_cur(curproc, RLIMIT_MEMLOCK)) {
+ nsize = ptoa(npages +
+ pmap_wired_count(vm_map_pmap(&curproc->p_vmspace->vm_map)));
+ if (nsize > lim_cur(curproc, RLIMIT_MEMLOCK)) {
+ PROC_UNLOCK(curproc);
+ return (ENOMEM);
+ }
+ if (racct_set(curproc, RACCT_MEMLOCK, nsize)) {
PROC_UNLOCK(curproc);
return (ENOMEM);
}
@@ -216,6 +222,12 @@ vslock(void *addr, size_t len)
#endif
error = vm_map_wire(&curproc->p_vmspace->vm_map, start, end,
VM_MAP_WIRE_SYSTEM | VM_MAP_WIRE_NOHOLES);
+ if (error != KERN_SUCCESS) {
+ PROC_LOCK(curproc);
+ racct_set(curproc, RACCT_MEMLOCK,
+ ptoa(pmap_wired_count(vm_map_pmap(&curproc->p_vmspace->vm_map))));
+ PROC_UNLOCK(curproc);
+ }
/*
* Return EFAULT on error to match copy{in,out}() behaviour
* rather than returning ENOMEM like mlock() would.
@@ -231,6 +243,11 @@ vsunlock(void *addr, size_t len)
(void)vm_map_unwire(&curproc->p_vmspace->vm_map,
trunc_page((vm_offset_t)addr), round_page((vm_offset_t)addr + len),
VM_MAP_WIRE_SYSTEM | VM_MAP_WIRE_NOHOLES);
+
+ PROC_LOCK(curproc);
+ racct_set(curproc, RACCT_MEMLOCK,
+ ptoa(pmap_wired_count(vm_map_pmap(&curproc->p_vmspace->vm_map))));
+ PROC_UNLOCK(curproc);
}
/*
Modified: head/sys/vm/vm_map.c
==============================================================================
--- head/sys/vm/vm_map.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/vm/vm_map.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -75,6 +75,7 @@ __FBSDID("$FreeBSD$");
#include <sys/vmmeter.h>
#include <sys/mman.h>
#include <sys/vnode.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/file.h>
#include <sys/sysctl.h>
@@ -313,6 +314,19 @@ vm_init2(void)
vmspace_zinit, vmspace_zfini, UMA_ALIGN_PTR, UMA_ZONE_NOFREE);
}
+static void
+vmspace_container_reset(struct proc *p)
+{
+
+ PROC_LOCK(p);
+ racct_set(p, RACCT_DATA, 0);
+ racct_set(p, RACCT_STACK, 0);
+ racct_set(p, RACCT_RSS, 0);
+ racct_set(p, RACCT_MEMLOCK, 0);
+ racct_set(p, RACCT_VMEM, 0);
+ PROC_UNLOCK(p);
+}
+
static inline void
vmspace_dofree(struct vmspace *vm)
{
@@ -410,6 +424,7 @@ vmspace_exit(struct thread *td)
pmap_activate(td);
vmspace_dofree(vm);
}
+ vmspace_container_reset(p);
}
/* Acquire reference to vmspace owned by another process. */
@@ -3279,6 +3294,10 @@ vm_map_growstack(struct proc *p, vm_offs
rlim_t stacklim, vmemlim;
int is_procstack, rv;
struct ucred *cred;
+#ifdef notyet
+ uint64_t limit;
+#endif
+ int error;
Retry:
PROC_LOCK(p);
@@ -3377,6 +3396,14 @@ Retry:
vm_map_unlock_read(map);
return (KERN_NO_SPACE);
}
+ PROC_LOCK(p);
+ if (is_procstack &&
+ racct_set(p, RACCT_STACK, ctob(vm->vm_ssize) + grow_amount)) {
+ PROC_UNLOCK(p);
+ vm_map_unlock_read(map);
+ return (KERN_NO_SPACE);
+ }
+ PROC_UNLOCK(p);
/* Round up the grow amount modulo SGROWSIZ */
grow_amount = roundup (grow_amount, sgrowsiz);
@@ -3386,12 +3413,28 @@ Retry:
grow_amount = trunc_page((vm_size_t)stacklim) -
ctob(vm->vm_ssize);
}
+#ifdef notyet
+ PROC_LOCK(p);
+ limit = racct_get_available(p, RACCT_STACK);
+ PROC_UNLOCK(p);
+ if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > limit))
+ grow_amount = limit - ctob(vm->vm_ssize);
+#endif
/* If we would blow our VMEM resource limit, no go */
if (map->size + grow_amount > vmemlim) {
vm_map_unlock_read(map);
- return (KERN_NO_SPACE);
+ rv = KERN_NO_SPACE;
+ goto out;
}
+ PROC_LOCK(p);
+ if (racct_set(p, RACCT_VMEM, map->size + grow_amount)) {
+ PROC_UNLOCK(p);
+ vm_map_unlock_read(map);
+ rv = KERN_NO_SPACE;
+ goto out;
+ }
+ PROC_UNLOCK(p);
if (vm_map_lock_upgrade(map))
goto Retry;
@@ -3490,6 +3533,16 @@ Retry:
: VM_MAP_WIRE_USER|VM_MAP_WIRE_NOHOLES);
}
+out:
+ if (rv != KERN_SUCCESS) {
+ PROC_LOCK(p);
+ error = racct_set(p, RACCT_VMEM, map->size);
+ KASSERT(error == 0, ("decreasing RACCT_VMEM failed"));
+ error = racct_set(p, RACCT_STACK, ctob(vm->vm_ssize));
+ KASSERT(error == 0, ("decreasing RACCT_STACK failed"));
+ PROC_UNLOCK(p);
+ }
+
return (rv);
}
Modified: head/sys/vm/vm_mmap.c
==============================================================================
--- head/sys/vm/vm_mmap.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/vm/vm_mmap.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$");
#include <sys/filedesc.h>
#include <sys/priv.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <sys/vnode.h>
@@ -991,6 +992,7 @@ mlock(td, uap)
struct proc *proc;
vm_offset_t addr, end, last, start;
vm_size_t npages, size;
+ unsigned long nsize;
int error;
error = priv_check(td, PRIV_VM_MLOCK);
@@ -1008,17 +1010,28 @@ mlock(td, uap)
return (ENOMEM);
proc = td->td_proc;
PROC_LOCK(proc);
- if (ptoa(npages +
- pmap_wired_count(vm_map_pmap(&proc->p_vmspace->vm_map))) >
- lim_cur(proc, RLIMIT_MEMLOCK)) {
+ nsize = ptoa(npages +
+ pmap_wired_count(vm_map_pmap(&proc->p_vmspace->vm_map)));
+ if (nsize > lim_cur(proc, RLIMIT_MEMLOCK)) {
PROC_UNLOCK(proc);
return (ENOMEM);
}
PROC_UNLOCK(proc);
if (npages + cnt.v_wire_count > vm_page_max_wired)
return (EAGAIN);
+ PROC_LOCK(proc);
+ error = racct_set(proc, RACCT_MEMLOCK, nsize);
+ PROC_UNLOCK(proc);
+ if (error != 0)
+ return (ENOMEM);
error = vm_map_wire(&proc->p_vmspace->vm_map, start, end,
VM_MAP_WIRE_USER | VM_MAP_WIRE_NOHOLES);
+ if (error != KERN_SUCCESS) {
+ PROC_LOCK(proc);
+ racct_set(proc, RACCT_MEMLOCK,
+ ptoa(pmap_wired_count(vm_map_pmap(&proc->p_vmspace->vm_map))));
+ PROC_UNLOCK(proc);
+ }
return (error == KERN_SUCCESS ? 0 : ENOMEM);
}
@@ -1061,6 +1074,11 @@ mlockall(td, uap)
if (error)
return (error);
#endif
+ PROC_LOCK(td->td_proc);
+ error = racct_set(td->td_proc, RACCT_MEMLOCK, map->size);
+ PROC_UNLOCK(td->td_proc);
+ if (error != 0)
+ return (ENOMEM);
if (uap->how & MCL_FUTURE) {
vm_map_lock(map);
@@ -1080,6 +1098,12 @@ mlockall(td, uap)
VM_MAP_WIRE_USER|VM_MAP_WIRE_HOLESOK);
error = (error == KERN_SUCCESS ? 0 : EAGAIN);
}
+ if (error != KERN_SUCCESS) {
+ PROC_LOCK(td->td_proc);
+ racct_set(td->td_proc, RACCT_MEMLOCK,
+ ptoa(pmap_wired_count(vm_map_pmap(&td->td_proc->p_vmspace->vm_map))));
+ PROC_UNLOCK(td->td_proc);
+ }
return (error);
}
@@ -1114,6 +1138,11 @@ munlockall(td, uap)
/* Forcibly unwire all pages. */
error = vm_map_unwire(map, vm_map_min(map), vm_map_max(map),
VM_MAP_WIRE_USER|VM_MAP_WIRE_HOLESOK);
+ if (error == KERN_SUCCESS) {
+ PROC_LOCK(td->td_proc);
+ racct_set(td->td_proc, RACCT_MEMLOCK, 0);
+ PROC_UNLOCK(td->td_proc);
+ }
return (error);
}
@@ -1148,6 +1177,11 @@ munlock(td, uap)
return (EINVAL);
error = vm_map_unwire(&td->td_proc->p_vmspace->vm_map, start, end,
VM_MAP_WIRE_USER | VM_MAP_WIRE_NOHOLES);
+ if (error == KERN_SUCCESS) {
+ PROC_LOCK(td->td_proc);
+ racct_sub(td->td_proc, RACCT_MEMLOCK, ptoa(end - start));
+ PROC_UNLOCK(td->td_proc);
+ }
return (error == KERN_SUCCESS ? 0 : ENOMEM);
}
@@ -1380,6 +1414,11 @@ vm_mmap(vm_map_t map, vm_offset_t *addr,
PROC_UNLOCK(td->td_proc);
return(ENOMEM);
}
+ if (racct_set(td->td_proc, RACCT_VMEM,
+ td->td_proc->p_vmspace->vm_map.size + size)) {
+ PROC_UNLOCK(td->td_proc);
+ return (ENOMEM);
+ }
PROC_UNLOCK(td->td_proc);
/*
Modified: head/sys/vm/vm_unix.c
==============================================================================
--- head/sys/vm/vm_unix.c Tue Apr 5 19:50:34 2011 (r220372)
+++ head/sys/vm/vm_unix.c Tue Apr 5 20:23:59 2011 (r220373)
@@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
+#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
@@ -116,9 +117,29 @@ obreak(td, uap)
error = ENOMEM;
goto done;
}
+ PROC_LOCK(td->td_proc);
+ error = racct_set(td->td_proc, RACCT_DATA, new - base);
+ if (error != 0) {
+ PROC_UNLOCK(td->td_proc);
+ error = ENOMEM;
+ goto done;
+ }
+ error = racct_set(td->td_proc, RACCT_VMEM,
+ vm->vm_map.size + (new - old));
+ if (error != 0) {
+ racct_set_force(td->td_proc, RACCT_DATA, old - base);
+ PROC_UNLOCK(td->td_proc);
+ error = ENOMEM;
+ goto done;
+ }
+ PROC_UNLOCK(td->td_proc);
rv = vm_map_insert(&vm->vm_map, NULL, 0, old, new,
VM_PROT_RW, VM_PROT_ALL, 0);
if (rv != KERN_SUCCESS) {
+ PROC_LOCK(td->td_proc);
+ racct_set_force(td->td_proc, RACCT_DATA, old - base);
+ racct_set_force(td->td_proc, RACCT_VMEM, vm->vm_map.size);
+ PROC_UNLOCK(td->td_proc);
error = ENOMEM;
goto done;
}
@@ -144,6 +165,10 @@ obreak(td, uap)
goto done;
}
vm->vm_dsize -= btoc(old - new);
+ PROC_LOCK(td->td_proc);
+ racct_set_force(td->td_proc, RACCT_DATA, new - base);
+ racct_set_force(td->td_proc, RACCT_VMEM, vm->vm_map.size);
+ PROC_UNLOCK(td->td_proc);
}
done:
vm_map_unlock(&vm->vm_map);
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