Date: Fri, 4 Jan 2019 17:08:46 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342764 - head/sys/riscv/riscv Message-ID: <201901041708.x04H8kTJ027548@repo.freebsd.org>
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Author: markj Date: Fri Jan 4 17:08:45 2019 New Revision: 342764 URL: https://svnweb.freebsd.org/changeset/base/342764 Log: Clear PGA_WRITEABLE in pmap_remove_pages(). Reviewed by: kib MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18731 Modified: head/sys/riscv/riscv/pmap.c Modified: head/sys/riscv/riscv/pmap.c ============================================================================== --- head/sys/riscv/riscv/pmap.c Fri Jan 4 16:47:35 2019 (r342763) +++ head/sys/riscv/riscv/pmap.c Fri Jan 4 17:08:45 2019 (r342764) @@ -2754,6 +2754,9 @@ pmap_remove_pages(pmap_t pmap) pmap_resident_count_dec(pmap, 1); TAILQ_REMOVE(&m->md.pv_list, pv, pv_next); m->md.pv_gen++; + if (TAILQ_EMPTY(&m->md.pv_list) && + (m->aflags & PGA_WRITEABLE) != 0) + vm_page_aflag_clear(m, PGA_WRITEABLE); pmap_unuse_l3(pmap, pv->pv_va, ptepde, &free); freed++;
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