Module Name: src Committed By: ad Date: Sat Dec 14 21:36:00 UTC 2019
Modified Files: src/sys/uvm: uvm_pager.c uvm_pdaemon.c Log Message: The uvmexp.pdpending change was incorrect - revert for now. To generate a diff of this commit: cvs rdiff -u -r1.115 -r1.116 src/sys/uvm/uvm_pager.c cvs rdiff -u -r1.114 -r1.115 src/sys/uvm/uvm_pdaemon.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/uvm/uvm_pager.c diff -u src/sys/uvm/uvm_pager.c:1.115 src/sys/uvm/uvm_pager.c:1.116 --- src/sys/uvm/uvm_pager.c:1.115 Sat Dec 14 15:04:47 2019 +++ src/sys/uvm/uvm_pager.c Sat Dec 14 21:36:00 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: uvm_pager.c,v 1.115 2019/12/14 15:04:47 ad Exp $ */ +/* $NetBSD: uvm_pager.c,v 1.116 2019/12/14 21:36:00 ad Exp $ */ /* * Copyright (c) 1997 Charles D. Cranor and Washington University. @@ -32,7 +32,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: uvm_pager.c,v 1.115 2019/12/14 15:04:47 ad Exp $"); +__KERNEL_RCSID(0, "$NetBSD: uvm_pager.c,v 1.116 2019/12/14 21:36:00 ad Exp $"); #include "opt_uvmhist.h" #include "opt_readahead.h" @@ -473,6 +473,7 @@ uvm_aio_aiodone_pages(struct vm_page **p else uvm_swap_free(swslot, npages); } + atomic_dec_uint(&uvmexp.pdpending); #endif /* defined(VMSWAP) */ } } Index: src/sys/uvm/uvm_pdaemon.c diff -u src/sys/uvm/uvm_pdaemon.c:1.114 src/sys/uvm/uvm_pdaemon.c:1.115 --- src/sys/uvm/uvm_pdaemon.c:1.114 Sat Dec 14 15:04:47 2019 +++ src/sys/uvm/uvm_pdaemon.c Sat Dec 14 21:36:00 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: uvm_pdaemon.c,v 1.114 2019/12/14 15:04:47 ad Exp $ */ +/* $NetBSD: uvm_pdaemon.c,v 1.115 2019/12/14 21:36:00 ad Exp $ */ /* * Copyright (c) 1997 Charles D. Cranor and Washington University. @@ -66,7 +66,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: uvm_pdaemon.c,v 1.114 2019/12/14 15:04:47 ad Exp $"); +__KERNEL_RCSID(0, "$NetBSD: uvm_pdaemon.c,v 1.115 2019/12/14 21:36:00 ad Exp $"); #include "opt_uvmhist.h" #include "opt_readahead.h" @@ -368,7 +368,6 @@ void uvm_pageout_start(int npages) { - atomic_inc_uint(&uvmexp.pdpending); atomic_add_int(&uvmexp.paging, npages); } @@ -377,7 +376,6 @@ uvm_pageout_done(int npages) { KASSERT(uvmexp.paging >= npages); - atomic_dec_uint(&uvmexp.pdpending); atomic_add_int(&uvmexp.paging, -npages); /* @@ -901,12 +899,14 @@ uvmpd_scan_queue(void) } mutex_exit(slock); + swapcluster_flush(&swc, false); + /* - * set the pageout in progress. bump counters and set up + * the pageout is in progress. bump counters and set up * for the next loop. */ - swapcluster_flush(&swc, false); + atomic_inc_uint(&uvmexp.pdpending); #else /* defined(VMSWAP) */ uvm_pageactivate(p);