Date: Wed, 20 Aug 2014 15:56:18 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r270219 - projects/arm64/sys/arm64/arm64 Message-ID: <201408201556.s7KFuIgm074734@svn.freebsd.org>
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Author: andrew Date: Wed Aug 20 15:56:18 2014 New Revision: 270219 URL: http://svnweb.freebsd.org/changeset/base/270219 Log: Implement pmap_remove Modified: projects/arm64/sys/arm64/arm64/pmap.c Modified: projects/arm64/sys/arm64/arm64/pmap.c ============================================================================== --- projects/arm64/sys/arm64/arm64/pmap.c Wed Aug 20 15:56:13 2014 (r270218) +++ projects/arm64/sys/arm64/arm64/pmap.c Wed Aug 20 15:56:18 2014 (r270219) @@ -746,8 +746,18 @@ pmap_growkernel(vm_offset_t addr) void pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t eva) { + pt_entry_t *l3; + vm_offset_t va_next; - panic("pmap_remove"); + KASSERT(pmap == pmap_kernel(), ("Only kernel mappings for now")); + PMAP_LOCK(pmap); + for (; sva < eva; sva = va_next) { + va_next = sva + L3_SIZE; + l3 = pmap_l3(pmap, sva); + if (l3 != NULL) + *l3 = 0; + } + PMAP_UNLOCK(pmap); } /*
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