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Shutemov" , Andrew Jones , Vlastimil Babka , Mike Rapoport , Andrew Morton , Muchun Song , Christoph Hellwig , linux-riscv@lists.infradead.org, James Houghton , David Hildenbrand , Jason Gunthorpe , Andrea Arcangeli , "Aneesh Kumar K . V" , Mike Kravetz Subject: Re: [PATCH v3 03/12] mm: Make HPAGE_PXD_* macros even if !THP Date: Fri, 22 Mar 2024 10:14:56 -0700 Message-Id: <20240322171456.118997-1-sj@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240321220802.679544-4-peterx@redhat.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 656B68000E X-Stat-Signature: gwqnkou6xk5ni4fmf6eju3ch1f7g79ja X-HE-Tag: 1711127704-680536 X-HE-Meta: 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 8yB62/62 EYeSAvpqCOOBukV8CV78OyX8ZYgf+WqvT2jmIsYu1qoKGxt5Dg9FGOqo6r7CKpyD+K8+XKKuIozmPa42/664HHpncxn9DRpyb87b3PjSC4eeQQG7qF0b9Yhl973XjyyrOGMoWzt7MiLu1AsfMCMAkzxowpFK6UbGnZUK+V1FwaSOpE/F0nitRmQIGdHUsOAAndPYWPTr0fp6oMoN0UuClmRQM0Vd9cNUx5iRbpQ1FeNvX/bYXy9+X+jOTB5ycx5LnCNjbt/JyryjYF2q688eDJLVxnKWZatDydXEdnyS0g6Msd8hoCFT1GtCOZAQLkgrOro7ijYK/B8Yl3BIuagEq7oh2HqD3pivkFBzK4lWf6qnJ068x7cBHrIvc+crvEm+BEW7DXApgKplenlc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Peter, On Thu, 21 Mar 2024 18:07:53 -0400 peterx@redhat.com wrote: > From: Peter Xu > > These macros can be helpful when we plan to merge hugetlb code into generic > code. Move them out and define them even if !THP. > > We actually already defined HPAGE_PMD_NR for other reasons even if !THP. > Reorganize these macros. > > Reviewed-by: Christoph Hellwig > Reviewed-by: Jason Gunthorpe > Signed-off-by: Peter Xu > --- > include/linux/huge_mm.h | 17 ++++++----------- > 1 file changed, 6 insertions(+), 11 deletions(-) > > diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h > index de0c89105076..3bcdfc7e5d57 100644 > --- a/include/linux/huge_mm.h > +++ b/include/linux/huge_mm.h > @@ -64,9 +64,6 @@ ssize_t single_hugepage_flag_show(struct kobject *kobj, > enum transparent_hugepage_flag flag); > extern struct kobj_attribute shmem_enabled_attr; > > -#define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) > -#define HPAGE_PMD_NR (1< - > /* > * Mask of all large folio orders supported for anonymous THP; all orders up to > * and including PMD_ORDER, except order-0 (which is not "huge") and order-1 > @@ -87,14 +84,19 @@ extern struct kobj_attribute shmem_enabled_attr; > #define thp_vma_allowable_order(vma, vm_flags, smaps, in_pf, enforce_sysfs, order) \ > (!!thp_vma_allowable_orders(vma, vm_flags, smaps, in_pf, enforce_sysfs, BIT(order))) > > -#ifdef CONFIG_TRANSPARENT_HUGEPAGE > #define HPAGE_PMD_SHIFT PMD_SHIFT > #define HPAGE_PMD_SIZE ((1UL) << HPAGE_PMD_SHIFT) > #define HPAGE_PMD_MASK (~(HPAGE_PMD_SIZE - 1)) > +#define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) > +#define HPAGE_PMD_NR (1< > #define HPAGE_PUD_SHIFT PUD_SHIFT > #define HPAGE_PUD_SIZE ((1UL) << HPAGE_PUD_SHIFT) > #define HPAGE_PUD_MASK (~(HPAGE_PUD_SIZE - 1)) > +#define HPAGE_PUD_ORDER (HPAGE_PUD_SHIFT-PAGE_SHIFT) > +#define HPAGE_PUD_NR (1<