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MFC r198201:

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Remove spurious call to priv_check(PRIV_VM_SWAP_NOQUOTA).
Call priv_check(PRIV_VM_SWAP_NORLIMIT) only when per-uid limit is
actually exceed.

Approved by:	re (kensmith)
This commit is contained in:
Konstantin Belousov 2009-10-21 15:07:34 +00:00
parent cbdd92bda4
commit 46aaa1ed67
1 changed files with 4 additions and 6 deletions
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10
sys/vm/swap_pager.c
View file

@ -176,7 +176,7 @@ swap_reserve(vm_ooffset_t incr)
int
swap_reserve_by_uid(vm_ooffset_t incr, struct uidinfo *uip)
{
vm_ooffset_t r, s, max;
vm_ooffset_t r, s;
int res, error;
static int curfail;
static struct timeval lastfail;
@ -185,7 +185,6 @@ swap_reserve_by_uid(vm_ooffset_t incr, struct uidinfo *uip)
panic("swap_reserve: & PAGE_MASK");
res = 0;
error = priv_check(curthread, PRIV_VM_SWAP_NOQUOTA);
mtx_lock(&sw_dev_mtx);
r = swap_reserved + incr;
if (overcommit & SWAP_RESERVE_ALLOW_NONWIRED) {
@ -204,10 +203,9 @@ swap_reserve_by_uid(vm_ooffset_t incr, struct uidinfo *uip)
if (res) {
PROC_LOCK(curproc);
UIDINFO_VMSIZE_LOCK(uip);
error = priv_check(curthread, PRIV_VM_SWAP_NORLIMIT);
max = (error != 0) ? lim_cur(curproc, RLIMIT_SWAP) : 0;
if (max != 0 && uip->ui_vmsize + incr > max &&
(overcommit & SWAP_RESERVE_RLIMIT_ON) != 0)
if ((overcommit & SWAP_RESERVE_RLIMIT_ON) != 0 &&
uip->ui_vmsize + incr > lim_cur(curproc, RLIMIT_SWAP) &&
priv_check(curthread, PRIV_VM_SWAP_NORLIMIT))
res = 0;
else
uip->ui_vmsize += incr;