From owner-svn-src-all@FreeBSD.ORG Fri Sep 18 17:04:59 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AF731106566B; Fri, 18 Sep 2009 17:04:59 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 9CE968FC16; Fri, 18 Sep 2009 17:04:59 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n8IH4w9C096621; Fri, 18 Sep 2009 17:04:58 GMT (envelope-from alc@svn.freebsd.org) Received: (from alc@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id n8IH4wUs096610; Fri, 18 Sep 2009 17:04:58 GMT (envelope-from alc@svn.freebsd.org) Message-Id: <200909181704.n8IH4wUs096610@svn.freebsd.org> From: Alan Cox Date: Fri, 18 Sep 2009 17:04:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r197316 - in head/sys: amd64/include arm/include i386/include ia64/include kern mips/include powerpc/include sparc64/include sun4v/include sys X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Sep 2009 17:04:59 -0000 Author: alc Date: Fri Sep 18 17:04:57 2009 New Revision: 197316 URL: http://svn.freebsd.org/changeset/base/197316 Log: Add a new sysctl for reporting all of the supported page sizes. Reviewed by: jhb MFC after: 3 weeks Modified: head/sys/amd64/include/param.h head/sys/arm/include/param.h head/sys/i386/include/param.h head/sys/ia64/include/param.h head/sys/kern/kern_mib.c head/sys/mips/include/param.h head/sys/powerpc/include/param.h head/sys/sparc64/include/param.h head/sys/sun4v/include/param.h head/sys/sys/systm.h Modified: head/sys/amd64/include/param.h ============================================================================== --- head/sys/amd64/include/param.h Fri Sep 18 15:39:09 2009 (r197315) +++ head/sys/amd64/include/param.h Fri Sep 18 17:04:57 2009 (r197316) @@ -108,6 +108,8 @@ #define NBPML4 (1ul<flags & SCTL_MASK32) { + /* + * Recreate the "pagesizes" array with 32-bit elements. Truncate + * any page size greater than UINT32_MAX to zero. + */ + for (i = 0; i < MAXPAGESIZES; i++) + pagesizes32[i] = (uint32_t)pagesizes[i]; + + error = SYSCTL_OUT(req, pagesizes32, sizeof(pagesizes32)); + } else +#endif + error = SYSCTL_OUT(req, pagesizes, sizeof(pagesizes)); + return (error); +} +SYSCTL_PROC(_hw, OID_AUTO, pagesizes, CTLTYPE_ULONG | CTLFLAG_RD, + NULL, 0, sysctl_hw_pagesizes, "LU", "Supported page sizes"); + static char machine_arch[] = MACHINE_ARCH; SYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, machine_arch, 0, "System architecture"); Modified: head/sys/mips/include/param.h ============================================================================== --- head/sys/mips/include/param.h Fri Sep 18 15:39:09 2009 (r197315) +++ head/sys/mips/include/param.h Fri Sep 18 17:04:57 2009 (r197316) @@ -115,6 +115,8 @@ #define SEGOFSET (NBSEG-1) /* byte offset into segment */ #define SEGSHIFT 22 /* LOG2(NBSEG) */ +#define MAXPAGESIZES 1 /* maximum number of supported page sizes */ + /* XXXimp: This has moved to vmparam.h */ /* Also, this differs from the mips2 definition, but likely is better */ /* since this means the kernel won't chew up TLBs when it is executing */ Modified: head/sys/powerpc/include/param.h ============================================================================== --- head/sys/powerpc/include/param.h Fri Sep 18 15:39:09 2009 (r197315) +++ head/sys/powerpc/include/param.h Fri Sep 18 17:04:57 2009 (r197316) @@ -86,6 +86,8 @@ #define PAGE_MASK (PAGE_SIZE - 1) #define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t))) +#define MAXPAGESIZES 1 /* maximum number of supported page sizes */ + #ifndef KSTACK_PAGES #define KSTACK_PAGES 4 /* includes pcb */ #endif Modified: head/sys/sparc64/include/param.h ============================================================================== --- head/sys/sparc64/include/param.h Fri Sep 18 15:39:09 2009 (r197315) +++ head/sys/sparc64/include/param.h Fri Sep 18 17:04:57 2009 (r197316) @@ -109,6 +109,8 @@ #define PAGE_SIZE_MAX PAGE_SIZE_4M #define PAGE_MASK_MAX PAGE_MASK_4M +#define MAXPAGESIZES 1 /* maximum number of supported page sizes */ + #ifndef KSTACK_PAGES #define KSTACK_PAGES 4 /* pages of kernel stack (with pcb) */ #endif Modified: head/sys/sun4v/include/param.h ============================================================================== --- head/sys/sun4v/include/param.h Fri Sep 18 15:39:09 2009 (r197315) +++ head/sys/sun4v/include/param.h Fri Sep 18 17:04:57 2009 (r197316) @@ -104,6 +104,8 @@ #define PAGE_SIZE_MAX PAGE_SIZE_4M #define PAGE_MASK_MAX PAGE_MASK_4M +#define MAXPAGESIZES 1 /* maximum number of supported page sizes */ + #ifndef KSTACK_PAGES #define KSTACK_PAGES 4 /* pages of kernel stack (with pcb) */ #endif Modified: head/sys/sys/systm.h ============================================================================== --- head/sys/sys/systm.h Fri Sep 18 15:39:09 2009 (r197315) +++ head/sys/sys/systm.h Fri Sep 18 17:04:57 2009 (r197316) @@ -54,6 +54,7 @@ extern int kstack_pages; /* number of ke extern int nswap; /* size of swap space */ +extern u_long pagesizes[]; /* supported page sizes */ extern long physmem; /* physical memory */ extern long realmem; /* 'real' memory */