diff options
author | alc <alc@FreeBSD.org> | 2007-02-22 06:15:52 +0000 |
---|---|---|
committer | alc <alc@FreeBSD.org> | 2007-02-22 06:15:52 +0000 |
commit | e4e74de1c278ee8f4f1b1780e8225ecc7cbbd084 (patch) | |
tree | f9b6e15f78a25a0473fc1048b6a7386b3d4d3079 /sys/vm | |
parent | a9d90540f47ebe7ae8313f0ed9140c085b63483a (diff) | |
download | FreeBSD-src-e4e74de1c278ee8f4f1b1780e8225ecc7cbbd084.zip FreeBSD-src-e4e74de1c278ee8f4f1b1780e8225ecc7cbbd084.tar.gz |
Change the page's CLEANCHK flag from being a page queue mutex synchronized
flag to a vm object mutex synchronized flag.
Diffstat (limited to 'sys/vm')
-rw-r--r-- | sys/vm/vm_object.c | 30 | ||||
-rw-r--r-- | sys/vm/vm_page.h | 2 |
2 files changed, 16 insertions, 16 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index 72a5bb1..ce42b99 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -803,7 +803,7 @@ vm_object_page_clean(vm_object_t object, vm_pindex_t start, vm_pindex_t end, int */ clearobjflags = 1; TAILQ_FOREACH(p, &object->memq, listq) { - vm_page_flag_set(p, PG_CLEANCHK); + p->oflags |= VPO_CLEANCHK; if ((flags & OBJPC_NOSYNC) && (p->oflags & VPO_NOSYNC)) clearobjflags = 0; else @@ -833,17 +833,17 @@ rescan: again: pi = p->pindex; - if (((p->flags & PG_CLEANCHK) == 0) || + if ((p->oflags & VPO_CLEANCHK) == 0 || (pi < tstart) || (pi >= tend) || (p->valid == 0) || VM_PAGE_INQUEUE1(p, PQ_CACHE)) { - vm_page_flag_clear(p, PG_CLEANCHK); + p->oflags &= ~VPO_CLEANCHK; continue; } vm_page_test_dirty(p); if ((p->dirty & p->valid) == 0) { - vm_page_flag_clear(p, PG_CLEANCHK); + p->oflags &= ~VPO_CLEANCHK; continue; } @@ -853,7 +853,7 @@ again: * not cleared in this case so we do not have to set them. */ if ((flags & OBJPC_NOSYNC) && (p->oflags & VPO_NOSYNC)) { - vm_page_flag_clear(p, PG_CLEANCHK); + p->oflags &= ~VPO_CLEANCHK; continue; } @@ -911,16 +911,16 @@ vm_object_page_collect_flush(vm_object_t object, vm_page_t p, int curgeneration, if ((tp = vm_page_lookup(object, pi + i)) != NULL) { if ((tp->oflags & VPO_BUSY) || ((pagerflags & VM_PAGER_IGNORE_CLEANCHK) == 0 && - (tp->flags & PG_CLEANCHK) == 0) || + (tp->oflags & VPO_CLEANCHK) == 0) || (tp->busy != 0)) break; if (VM_PAGE_INQUEUE1(tp, PQ_CACHE)) { - vm_page_flag_clear(tp, PG_CLEANCHK); + tp->oflags &= ~VPO_CLEANCHK; break; } vm_page_test_dirty(tp); if ((tp->dirty & tp->valid) == 0) { - vm_page_flag_clear(tp, PG_CLEANCHK); + tp->oflags &= ~VPO_CLEANCHK; break; } maf[ i - 1 ] = tp; @@ -939,16 +939,16 @@ vm_object_page_collect_flush(vm_object_t object, vm_page_t p, int curgeneration, if ((tp = vm_page_lookup(object, pi - i)) != NULL) { if ((tp->oflags & VPO_BUSY) || ((pagerflags & VM_PAGER_IGNORE_CLEANCHK) == 0 && - (tp->flags & PG_CLEANCHK) == 0) || + (tp->oflags & VPO_CLEANCHK) == 0) || (tp->busy != 0)) break; if (VM_PAGE_INQUEUE1(tp, PQ_CACHE)) { - vm_page_flag_clear(tp, PG_CLEANCHK); + tp->oflags &= ~VPO_CLEANCHK; break; } vm_page_test_dirty(tp); if ((tp->dirty & tp->valid) == 0) { - vm_page_flag_clear(tp, PG_CLEANCHK); + tp->oflags &= ~VPO_CLEANCHK; break; } mab[ i - 1 ] = tp; @@ -962,14 +962,14 @@ vm_object_page_collect_flush(vm_object_t object, vm_page_t p, int curgeneration, for(i = 0; i < maxb; i++) { int index = (maxb - i) - 1; ma[index] = mab[i]; - vm_page_flag_clear(ma[index], PG_CLEANCHK); + ma[index]->oflags &= ~VPO_CLEANCHK; } - vm_page_flag_clear(p, PG_CLEANCHK); + p->oflags &= ~VPO_CLEANCHK; ma[maxb] = p; for(i = 0; i < maxf; i++) { int index = (maxb + i) + 1; ma[index] = maf[i]; - vm_page_flag_clear(ma[index], PG_CLEANCHK); + ma[index]->oflags &= ~VPO_CLEANCHK; } runlen = maxb + maxf + 1; @@ -977,7 +977,7 @@ vm_object_page_collect_flush(vm_object_t object, vm_page_t p, int curgeneration, for (i = 0; i < runlen; i++) { if (ma[i]->valid & ma[i]->dirty) { pmap_remove_write(ma[i]); - vm_page_flag_set(ma[i], PG_CLEANCHK); + ma[i]->oflags |= VPO_CLEANCHK; /* * maxf will end up being the actual number of pages diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 91e11eb..a3ab085 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -144,6 +144,7 @@ struct vm_page { */ #define VPO_BUSY 0x0001 /* page is in transit */ #define VPO_WANTED 0x0002 /* someone is waiting for page */ +#define VPO_CLEANCHK 0x0100 /* page will be checked for cleaning */ #define VPO_SWAPINPROG 0x0200 /* swap I/O in progress on page */ #define VPO_NOSYNC 0x0400 /* do not collect for syncer */ @@ -226,7 +227,6 @@ extern struct pq_coloring page_queue_coloring; #define PG_WRITEABLE 0x0010 /* page is mapped writeable */ #define PG_ZERO 0x0040 /* page is zeroed */ #define PG_REFERENCED 0x0080 /* page has been referenced */ -#define PG_CLEANCHK 0x0100 /* page will be checked for cleaning */ #define PG_UNMANAGED 0x0800 /* No PV management for page */ #define PG_MARKER 0x1000 /* special queue marker page */ #define PG_SLAB 0x2000 /* object pointer is actually a slab */ |