From patchwork Tue Jun 6 19:03:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ackerley Tng X-Patchwork-Id: 13269581 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73622C7EE2A for ; Tue, 6 Jun 2023 19:05:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239242AbjFFTFD (ORCPT ); Tue, 6 Jun 2023 15:05:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239235AbjFFTEa (ORCPT ); Tue, 6 Jun 2023 15:04:30 -0400 Received: from mail-pg1-x54a.google.com (mail-pg1-x54a.google.com [IPv6:2607:f8b0:4864:20::54a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DEB29171C for ; Tue, 6 Jun 2023 12:04:22 -0700 (PDT) Received: by mail-pg1-x54a.google.com with SMTP id 41be03b00d2f7-53f84f75bf4so2292828a12.3 for ; Tue, 06 Jun 2023 12:04:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1686078262; x=1688670262; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=TbnAfmaUEaUTjNKT8epdT4a2IjxXaCNnR/Vzf4sBC5I=; b=HeyHfG//kNLUaGcFQWwTewKEgcn4vPYn8juDXqEsqn0adr4vG649KYKYHbBgxoXbAB ahAsJnvxbrxRZIn8HaOziynSothNYKlQfcTu3jAM4uhoNpX3LWBrkvui47Zp8M9CRSxM Hv3v6i8Oi9BrSmd48ktue72BHNGZsJ2uSICRouR0ffp2LrDCVbnCBmA+g2SulzB0hGNV h/9GOrxYxtycjJuMZs46LGZ0YhTsDAihpMdCj9p8GQJvBLZp7PdD2PUuqFKV1kr3TMS1 NWDPMg3o3REsZ5x50h8pQh4zEK7vomJrpG+mCaUeJtrTs1RdwqH+EB5u26LqsONPQnLR jEIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686078262; x=1688670262; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=TbnAfmaUEaUTjNKT8epdT4a2IjxXaCNnR/Vzf4sBC5I=; b=D17ylKg/mdWpr0HIotbdZqw8a3FyXHLn0Rt7bSNRwv/0n1Cy7qofGPy8WpHzqrqxw1 xoAq3svcRBOJo+FfuG14bEnXyjWLW5NED9m1Ow2gtLOEyYL668MsW2w1IBfuaxkyep8G wTCf1X2jxiyW89OjZOd/m3FQVG/Ccu/m9TfXEB3AYRjGoKxe+f8dbi23/wKf9Qan3Wcb /lpPXwuwBbIRFSYA3VWTAI/v5VfnjDsLxYGf7MDWlzn+zCmXO6ICGJHOrRdRgZEV1UB1 UCWeELpXmYqrAO4fS6cysDVu7d15sw/Zl8lvwJPKEPrIWwplCwwIg42EdSPw1Z+9RaX9 Dujg== X-Gm-Message-State: AC+VfDzGu+nyGCm1BHRgVJ4XSlC/h/j9VaDPRVGBnIjG/+HJivTd/z4s URQp758Q1MdZJVUFLvDYtWTZEMpOkNwffJQMIA== X-Google-Smtp-Source: ACHHUZ7WRmD6VfCo02eYhPrQlyc6XnpZbLw7oQUgpoj7hXhb698PIwiX79ZF4kn3hNLKX22XHrTVhzRB5PnobIvmJA== X-Received: from ackerleytng-ctop.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:13f8]) (user=ackerleytng job=sendgmr) by 2002:a63:fe05:0:b0:513:9753:46d2 with SMTP id p5-20020a63fe05000000b00513975346d2mr634687pgh.2.1686078262212; Tue, 06 Jun 2023 12:04:22 -0700 (PDT) Date: Tue, 6 Jun 2023 19:03:50 +0000 In-Reply-To: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Message-ID: <7827774c13e975d3d1dedc4a4684cb92eac8b548.1686077275.git.ackerleytng@google.com> Subject: [RFC PATCH 05/19] mm: hugetlb: Allow alloc_hugetlb_folio() to be parametrized by subpool and hstate From: Ackerley Tng To: akpm@linux-foundation.org, mike.kravetz@oracle.com, muchun.song@linux.dev, pbonzini@redhat.com, seanjc@google.com, shuah@kernel.org, willy@infradead.org Cc: brauner@kernel.org, chao.p.peng@linux.intel.com, coltonlewis@google.com, david@redhat.com, dhildenb@redhat.com, dmatlack@google.com, erdemaktas@google.com, hughd@google.com, isaku.yamahata@gmail.com, jarkko@kernel.org, jmattson@google.com, joro@8bytes.org, jthoughton@google.com, jun.nakajima@intel.com, kirill.shutemov@linux.intel.com, liam.merwick@oracle.com, mail@maciej.szmigiero.name, mhocko@suse.com, michael.roth@amd.com, qperret@google.com, rientjes@google.com, rppt@kernel.org, steven.price@arm.com, tabba@google.com, vannapurve@google.com, vbabka@suse.cz, vipinsh@google.com, vkuznets@redhat.com, wei.w.wang@intel.com, yu.c.zhang@linux.intel.com, kvm@vger.kernel.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, qemu-devel@nongnu.org, x86@kernel.org, Ackerley Tng Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org subpool_inode() and hstate_inode() are hugetlbfs-specific. By allowing subpool and hstate to be specified, hugetlb is further modularized from hugetlbfs. Signed-off-by: Ackerley Tng --- include/linux/hugetlb.h | 3 +++ mm/hugetlb.c | 16 ++++++++++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 2457d7a21974..14df89d1642c 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -747,6 +747,9 @@ struct huge_bootmem_page { }; int isolate_or_dissolve_huge_page(struct page *page, struct list_head *list); +struct folio *alloc_hugetlb_folio_from_subpool( + struct hugepage_subpool *spool, struct hstate *h, + struct vm_area_struct *vma, unsigned long addr, int avoid_reserve); struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, unsigned long addr, int avoid_reserve); struct folio *alloc_hugetlb_folio_nodemask(struct hstate *h, int preferred_nid, diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 9da419b930df..99ab4bbdb2ce 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3008,11 +3008,10 @@ int isolate_or_dissolve_huge_page(struct page *page, struct list_head *list) return ret; } -struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, - unsigned long addr, int avoid_reserve) +struct folio *alloc_hugetlb_folio_from_subpool( + struct hugepage_subpool *spool, struct hstate *h, + struct vm_area_struct *vma, unsigned long addr, int avoid_reserve) { - struct hugepage_subpool *spool = subpool_vma(vma); - struct hstate *h = hstate_vma(vma); struct folio *folio; long map_chg, map_commit; long gbl_chg; @@ -3139,6 +3138,15 @@ struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, return ERR_PTR(-ENOSPC); } +struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, + unsigned long addr, int avoid_reserve) +{ + struct hugepage_subpool *spool = subpool_vma(vma); + struct hstate *h = hstate_vma(vma); + + return alloc_hugetlb_folio_from_subpool(spool, h, vma, addr, avoid_reserve); +} + int alloc_bootmem_huge_page(struct hstate *h, int nid) __attribute__ ((weak, alias("__alloc_bootmem_huge_page"))); int __alloc_bootmem_huge_page(struct hstate *h, int nid)