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Code Issues Releases Activity

Fixed breakage of the !SMP case in vm_page_zero_idle() in the

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previous commit.  Opportunities to clean pages were often missed,
and leaving of the idle state was sometimes delayed until the next
interrupt (after any that occurred while cleaning).

Fixed an unstaticization, a syntax error and a style bug in the
previous commit.
This commit is contained in:
Bruce Evans 1998-03-12 09:55:57 +00:00
parent d1d9d2601f
commit 7762bc7bdf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=34507
2 changed files with 14 additions and 10 deletions
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12
sys/amd64/amd64/vm_machdep.c
View File

@ -38,7 +38,7 @@
*
* from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
* Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
* $Id: vm_machdep.c,v 1.100 1998/02/13 05:30:18 bde Exp $
* $Id: vm_machdep.c,v 1.101 1998/02/25 03:56:09 dyson Exp $
*/
#include "npx.h"
@ -915,8 +915,7 @@ grow(p, sp)
return (1);
}
int cnt_prezero;
static int cnt_prezero;
SYSCTL_INT(_machdep, OID_AUTO, cnt_prezero, CTLFLAG_RD, &cnt_prezero, 0, "");
@ -961,13 +960,14 @@ vm_page_zero_idle()
rel_mplock();
#endif
pmap_zero_page(VM_PAGE_TO_PHYS(m));
#ifdef 0
#if 0
get_mplock();
#endif
(void)splvm();
m->queue = PQ_ZERO + m->pc;
++(*vm_page_queues[m->queue].lcnt);
TAILQ_INSERT_HEAD(vm_page_queues[m->queue].pl, m, pageq);
TAILQ_INSERT_HEAD(vm_page_queues[m->queue].pl, m,
pageq);
free_rover = (free_rover + PQ_PRIME3) & PQ_L2_MASK;
++vm_page_zero_count;
++cnt_prezero;
@ -976,7 +976,9 @@ vm_page_zero_idle()
disable_intr();
#ifdef SMP
rel_mplock();
#endif
return (1);
#ifdef SMP
}
#endif
return (0);

12
sys/i386/i386/vm_machdep.c
View File

@ -38,7 +38,7 @@
*
* from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
* Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
* $Id: vm_machdep.c,v 1.100 1998/02/13 05:30:18 bde Exp $
* $Id: vm_machdep.c,v 1.101 1998/02/25 03:56:09 dyson Exp $
*/
#include "npx.h"
@ -915,8 +915,7 @@ grow(p, sp)
return (1);
}
int cnt_prezero;
static int cnt_prezero;
SYSCTL_INT(_machdep, OID_AUTO, cnt_prezero, CTLFLAG_RD, &cnt_prezero, 0, "");
@ -961,13 +960,14 @@ vm_page_zero_idle()
rel_mplock();
#endif
pmap_zero_page(VM_PAGE_TO_PHYS(m));
#ifdef 0
#if 0
get_mplock();
#endif
(void)splvm();
m->queue = PQ_ZERO + m->pc;
++(*vm_page_queues[m->queue].lcnt);
TAILQ_INSERT_HEAD(vm_page_queues[m->queue].pl, m, pageq);
TAILQ_INSERT_HEAD(vm_page_queues[m->queue].pl, m,
pageq);
free_rover = (free_rover + PQ_PRIME3) & PQ_L2_MASK;
++vm_page_zero_count;
++cnt_prezero;
@ -976,7 +976,9 @@ vm_page_zero_idle()
disable_intr();
#ifdef SMP
rel_mplock();
#endif
return (1);
#ifdef SMP
}
#endif
return (0);