From owner-svn-src-stable@freebsd.org Thu Jun 13 16:32:05 2019 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2DE7015B762D; Thu, 13 Jun 2019 16:32:05 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BCAF38C61F; Thu, 13 Jun 2019 16:32:04 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 920E02DBB; Thu, 13 Jun 2019 16:32:04 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x5DGW4Z6002625; Thu, 13 Jun 2019 16:32:04 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x5DGW4SB002624; Thu, 13 Jun 2019 16:32:04 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201906131632.x5DGW4SB002624@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Thu, 13 Jun 2019 16:32:04 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r349014 - in stable/12/sys/compat/linuxkpi/common: include/linux src X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: in stable/12/sys/compat/linuxkpi/common: include/linux src X-SVN-Commit-Revision: 349014 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: BCAF38C61F X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; NEURAL_HAM_SHORT(-0.97)[-0.973,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Jun 2019 16:32:05 -0000 Author: markj Date: Thu Jun 13 16:32:03 2019 New Revision: 349014 URL: https://svnweb.freebsd.org/changeset/base/349014 Log: MFC r348743: Make the linuxkpi's alloc_pages() consistently return wired pages. Modified: stable/12/sys/compat/linuxkpi/common/include/linux/gfp.h stable/12/sys/compat/linuxkpi/common/src/linux_page.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/compat/linuxkpi/common/include/linux/gfp.h ============================================================================== --- stable/12/sys/compat/linuxkpi/common/include/linux/gfp.h Thu Jun 13 08:00:32 2019 (r349013) +++ stable/12/sys/compat/linuxkpi/common/include/linux/gfp.h Thu Jun 13 16:32:03 2019 (r349014) @@ -52,12 +52,15 @@ #define __GFP_RETRY_MAYFAIL 0 #define __GFP_MOVABLE 0 #define __GFP_COMP 0 -#define __GFP_KSWAPD_RECLAIM 0 +#define __GFP_KSWAPD_RECLAIM 0 #define __GFP_IO 0 #define __GFP_NO_KSWAPD 0 #define __GFP_WAIT M_WAITOK #define __GFP_DMA32 (1U << 24) /* LinuxKPI only */ +#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION == 50000 +#define __GFP_NOTWIRED (1U << 25) +#endif #define __GFP_BITS_SHIFT 25 #define __GFP_BITS_MASK ((1 << __GFP_BITS_SHIFT) - 1) #define __GFP_NOFAIL M_WAITOK @@ -74,7 +77,7 @@ #define GFP_TEMPORARY M_NOWAIT #define GFP_NATIVE_MASK (M_NOWAIT | M_WAITOK | M_USE_RESERVE | M_ZERO) #define GFP_TRANSHUGE 0 -#define GFP_TRANSHUGE_LIGHT 0 +#define GFP_TRANSHUGE_LIGHT 0 CTASSERT((__GFP_DMA32 & GFP_NATIVE_MASK) == 0); CTASSERT((__GFP_BITS_MASK & GFP_NATIVE_MASK) == GFP_NATIVE_MASK); @@ -98,6 +101,9 @@ static inline struct page * alloc_page(gfp_t flags) { +#ifdef __GFP_NOTWIRED + flags |= __GFP_NOTWIRED; +#endif return (linux_alloc_pages(flags, 0)); } @@ -105,6 +111,9 @@ static inline struct page * alloc_pages(gfp_t flags, unsigned int order) { +#ifdef __GFP_NOTWIRED + flags |= __GFP_NOTWIRED; +#endif return (linux_alloc_pages(flags, order)); } @@ -112,6 +121,9 @@ static inline struct page * alloc_pages_node(int node_id, gfp_t flags, unsigned int order) { +#ifdef __GFP_NOTWIRED + flags |= __GFP_NOTWIRED; +#endif return (linux_alloc_pages(flags, order)); } Modified: stable/12/sys/compat/linuxkpi/common/src/linux_page.c ============================================================================== --- stable/12/sys/compat/linuxkpi/common/src/linux_page.c Thu Jun 13 08:00:32 2019 (r349013) +++ stable/12/sys/compat/linuxkpi/common/src/linux_page.c Thu Jun 13 16:32:03 2019 (r349014) @@ -91,9 +91,14 @@ linux_alloc_pages(gfp_t flags, unsigned int order) if (PMAP_HAS_DMAP) { unsigned long npages = 1UL << order; - int req = (flags & M_ZERO) ? (VM_ALLOC_ZERO | VM_ALLOC_NOOBJ | - VM_ALLOC_NORMAL) : (VM_ALLOC_NOOBJ | VM_ALLOC_NORMAL); + int req = VM_ALLOC_NOOBJ | VM_ALLOC_WIRED | VM_ALLOC_NORMAL; +#ifdef __GFP_NOTWIRED + if ((flags & __GFP_NOTWIRED) != 0) + req &= ~VM_ALLOC_WIRED; +#endif + if ((flags & M_ZERO) != 0) + req |= VM_ALLOC_ZERO; if (order == 0 && (flags & GFP_DMA32) == 0) { page = vm_page_alloc(NULL, 0, req); if (page == NULL) @@ -154,7 +159,8 @@ linux_free_pages(vm_page_t page, unsigned int order) vm_page_t pgo = page + x; vm_page_lock(pgo); - vm_page_free(pgo); + if (vm_page_unwire_noq(pgo)) + vm_page_free(pgo); vm_page_unlock(pgo); } } else {