From: Nicholas Piggin <npiggin@gmail.com> To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org> Cc: Nicholas Piggin <npiggin@gmail.com>, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Zefan Li <lizefan@huawei.com>, Jonathan Cameron <Jonathan.Cameron@Huawei.com>, Christoph Hellwig <hch@infradead.org>, Christophe Leroy <christophe.leroy@csgroup.eu>, Rick Edgecombe <rick.p.edgecombe@intel.com>, Michael Ellerman <mpe@ellerman.id.au> Subject: [PATCH v9 06/12] powerpc: inline huge vmap supported functions Date: Sat, 5 Dec 2020 16:57:19 +1000 [thread overview] Message-ID: <20201205065725.1286370-7-npiggin@gmail.com> (raw) In-Reply-To: <20201205065725.1286370-1-npiggin@gmail.com> This allows unsupported levels to be constant folded away, and so p4d_free_pud_page can be removed because it's no longer linked to. Cc: linuxppc-dev@lists.ozlabs.org Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/include/asm/vmalloc.h | 19 ++++++++++++++++--- arch/powerpc/mm/book3s64/radix_pgtable.c | 21 --------------------- 2 files changed, 16 insertions(+), 24 deletions(-) diff --git a/arch/powerpc/include/asm/vmalloc.h b/arch/powerpc/include/asm/vmalloc.h index 105abb73f075..3f0c153befb0 100644 --- a/arch/powerpc/include/asm/vmalloc.h +++ b/arch/powerpc/include/asm/vmalloc.h @@ -1,12 +1,25 @@ #ifndef _ASM_POWERPC_VMALLOC_H #define _ASM_POWERPC_VMALLOC_H +#include <asm/mmu.h> #include <asm/page.h> #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP -bool arch_vmap_p4d_supported(pgprot_t prot); -bool arch_vmap_pud_supported(pgprot_t prot); -bool arch_vmap_pmd_supported(pgprot_t prot); +static inline bool arch_vmap_p4d_supported(pgprot_t prot) +{ + return false; +} + +static inline bool arch_vmap_pud_supported(pgprot_t prot) +{ + /* HPT does not cope with large pages in the vmalloc area */ + return radix_enabled(); +} + +static inline bool arch_vmap_pmd_supported(pgprot_t prot) +{ + return radix_enabled(); +} #endif #endif /* _ASM_POWERPC_VMALLOC_H */ diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index ab426fc0cd4b..de6b558dc187 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -1121,22 +1121,6 @@ void radix__ptep_modify_prot_commit(struct vm_area_struct *vma, set_pte_at(mm, addr, ptep, pte); } -bool arch_vmap_pud_supported(pgprot_t prot) -{ - /* HPT does not cope with large pages in the vmalloc area */ - return radix_enabled(); -} - -bool arch_vmap_pmd_supported(pgprot_t prot) -{ - return radix_enabled(); -} - -int p4d_free_pud_page(p4d_t *p4d, unsigned long addr) -{ - return 0; -} - int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) { pte_t *ptep = (pte_t *)pud; @@ -1220,8 +1204,3 @@ int pmd_free_pte_page(pmd_t *pmd, unsigned long addr) return 1; } - -bool arch_vmap_p4d_supported(pgprot_t prot) -{ - return false; -} -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com> To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org> Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>, Christoph Hellwig <hch@infradead.org>, Zefan Li <lizefan@huawei.com>, Jonathan Cameron <Jonathan.Cameron@Huawei.com>, Rick Edgecombe <rick.p.edgecombe@intel.com>, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v9 06/12] powerpc: inline huge vmap supported functions Date: Sat, 5 Dec 2020 16:57:19 +1000 [thread overview] Message-ID: <20201205065725.1286370-7-npiggin@gmail.com> (raw) In-Reply-To: <20201205065725.1286370-1-npiggin@gmail.com> This allows unsupported levels to be constant folded away, and so p4d_free_pud_page can be removed because it's no longer linked to. Cc: linuxppc-dev@lists.ozlabs.org Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/include/asm/vmalloc.h | 19 ++++++++++++++++--- arch/powerpc/mm/book3s64/radix_pgtable.c | 21 --------------------- 2 files changed, 16 insertions(+), 24 deletions(-) diff --git a/arch/powerpc/include/asm/vmalloc.h b/arch/powerpc/include/asm/vmalloc.h index 105abb73f075..3f0c153befb0 100644 --- a/arch/powerpc/include/asm/vmalloc.h +++ b/arch/powerpc/include/asm/vmalloc.h @@ -1,12 +1,25 @@ #ifndef _ASM_POWERPC_VMALLOC_H #define _ASM_POWERPC_VMALLOC_H +#include <asm/mmu.h> #include <asm/page.h> #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP -bool arch_vmap_p4d_supported(pgprot_t prot); -bool arch_vmap_pud_supported(pgprot_t prot); -bool arch_vmap_pmd_supported(pgprot_t prot); +static inline bool arch_vmap_p4d_supported(pgprot_t prot) +{ + return false; +} + +static inline bool arch_vmap_pud_supported(pgprot_t prot) +{ + /* HPT does not cope with large pages in the vmalloc area */ + return radix_enabled(); +} + +static inline bool arch_vmap_pmd_supported(pgprot_t prot) +{ + return radix_enabled(); +} #endif #endif /* _ASM_POWERPC_VMALLOC_H */ diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index ab426fc0cd4b..de6b558dc187 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -1121,22 +1121,6 @@ void radix__ptep_modify_prot_commit(struct vm_area_struct *vma, set_pte_at(mm, addr, ptep, pte); } -bool arch_vmap_pud_supported(pgprot_t prot) -{ - /* HPT does not cope with large pages in the vmalloc area */ - return radix_enabled(); -} - -bool arch_vmap_pmd_supported(pgprot_t prot) -{ - return radix_enabled(); -} - -int p4d_free_pud_page(p4d_t *p4d, unsigned long addr) -{ - return 0; -} - int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) { pte_t *ptep = (pte_t *)pud; @@ -1220,8 +1204,3 @@ int pmd_free_pte_page(pmd_t *pmd, unsigned long addr) return 1; } - -bool arch_vmap_p4d_supported(pgprot_t prot) -{ - return false; -} -- 2.23.0
next prev parent reply other threads:[~2020-12-05 6:59 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-05 6:57 [PATCH v9 00/12] huge vmalloc mappings Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 05/12] mm: HUGE_VMAP arch support cleanup Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2021-01-04 12:33 ` Ding Tianhong 2021-01-04 12:33 ` Ding Tianhong 2021-01-04 12:33 ` Ding Tianhong 2021-01-24 7:43 ` Nicholas Piggin 2021-01-24 7:43 ` Nicholas Piggin 2021-01-24 7:43 ` Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin [this message] 2020-12-05 6:57 ` [PATCH v9 06/12] powerpc: inline huge vmap supported functions Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 07/12] arm64: " Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 08/12] x86: " Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 10/12] mm/vmalloc: add vmap_range_noflush variant Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-05 6:57 ` [PATCH v9 11/12] mm/vmalloc: Hugepage vmalloc mappings Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin 2020-12-25 7:58 ` Ding Tianhong 2020-12-25 7:58 ` Ding Tianhong 2020-12-05 6:57 ` [PATCH v9 12/12] powerpc/64s/radix: Enable huge " Nicholas Piggin 2020-12-05 6:57 ` Nicholas Piggin
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20201205065725.1286370-7-npiggin@gmail.com \ --to=npiggin@gmail.com \ --cc=Jonathan.Cameron@Huawei.com \ --cc=akpm@linux-foundation.org \ --cc=christophe.leroy@csgroup.eu \ --cc=hch@infradead.org \ --cc=linux-arch@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=linuxppc-dev@lists.ozlabs.org \ --cc=lizefan@huawei.com \ --cc=mpe@ellerman.id.au \ --cc=rick.p.edgecombe@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.