From: Aaro Koskinen <Aaro.Koskinen@nokia.com> To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Subject: [RFC PATCH 2/2] ARM: tlb: Use range in tlb_start_vma() and tlb_end_vma() Date: Mon, 9 Mar 2009 14:59:57 +0200 [thread overview] Message-ID: <1236603597-1646-2-git-send-email-Aaro.Koskinen@nokia.com> (raw) In-Reply-To: <1236603597-1646-1-git-send-email-Aaro.Koskinen@nokia.com> Flush only the pages that were unmapped. Signed-off-by: Aaro Koskinen <Aaro.Koskinen@nokia.com> --- arch/arm/include/asm/tlb.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index d10c9c3..a034b6d 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -68,14 +68,14 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) /* * In the case of tlb vma handling, we can optimise these away in the * case where we're doing a full MM flush. When we're doing a munmap, - * the vmas are adjusted to only cover the region to be torn down. + * the range is adjusted to only cover the region to be torn down. */ static inline void tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long range_start, unsigned long range_end) { if (!tlb->fullmm) - flush_cache_range(vma, vma->vm_start, vma->vm_end); + flush_cache_range(vma, range_start, range_end); } static inline void @@ -83,7 +83,7 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long range_start, unsigned long range_end) { if (!tlb->fullmm) - flush_tlb_range(vma, vma->vm_start, vma->vm_end); + flush_tlb_range(vma, range_start, range_end); } #define tlb_remove_page(tlb,page) free_page_and_swap_cache(page) -- 1.5.4.3
WARNING: multiple messages have this Message-ID (diff)
From: Aaro Koskinen <Aaro.Koskinen@nokia.com> To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Subject: [RFC PATCH 2/2] ARM: tlb: Use range in tlb_start_vma() and tlb_end_vma() Date: Mon, 9 Mar 2009 14:59:57 +0200 [thread overview] Message-ID: <1236603597-1646-2-git-send-email-Aaro.Koskinen@nokia.com> (raw) In-Reply-To: <1236603597-1646-1-git-send-email-Aaro.Koskinen@nokia.com> Flush only the pages that were unmapped. Signed-off-by: Aaro Koskinen <Aaro.Koskinen@nokia.com> --- arch/arm/include/asm/tlb.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index d10c9c3..a034b6d 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -68,14 +68,14 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) /* * In the case of tlb vma handling, we can optimise these away in the * case where we're doing a full MM flush. When we're doing a munmap, - * the vmas are adjusted to only cover the region to be torn down. + * the range is adjusted to only cover the region to be torn down. */ static inline void tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long range_start, unsigned long range_end) { if (!tlb->fullmm) - flush_cache_range(vma, vma->vm_start, vma->vm_end); + flush_cache_range(vma, range_start, range_end); } static inline void @@ -83,7 +83,7 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long range_start, unsigned long range_end) { if (!tlb->fullmm) - flush_tlb_range(vma, vma->vm_start, vma->vm_end); + flush_tlb_range(vma, range_start, range_end); } #define tlb_remove_page(tlb,page) free_page_and_swap_cache(page) -- 1.5.4.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2009-03-09 13:00 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-03-09 12:56 [RFC PATCH 0/2] mm: tlb: unmap scalability Aaro Koskinen 2009-03-09 12:56 ` Aaro Koskinen 2009-03-09 12:59 ` [RFC PATCH 1/2] mm: tlb: Add range to tlb_start_vma() and tlb_end_vma() Aaro Koskinen 2009-03-09 12:59 ` Aaro Koskinen 2009-03-09 12:59 ` Aaro Koskinen [this message] 2009-03-09 12:59 ` [RFC PATCH 2/2] ARM: tlb: Use range in " Aaro Koskinen 2009-03-09 14:16 ` [RFC PATCH 1/2] mm: tlb: Add range to " Hugh Dickins 2009-03-09 14:16 ` Hugh Dickins 2009-03-09 17:00 ` Aaro Koskinen 2009-03-09 17:00 ` Aaro Koskinen 2009-03-09 18:20 ` Hugh Dickins 2009-03-09 18:20 ` Hugh Dickins 2009-03-10 13:01 ` [PATCH] [ARM] Flush only the needed range when unmapping a VMA Aaro Koskinen 2009-03-10 14:49 ` Hugh Dickins 2009-03-12 21:30 ` Russell King - ARM Linux 2009-03-13 11:36 ` Aaro Koskinen 2009-03-15 10:27 ` Russell King - ARM Linux 2009-03-16 12:58 ` Aaro Koskinen 2009-03-16 13:30 ` [PATCH v2] " Aaro Koskinen
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=1236603597-1646-2-git-send-email-Aaro.Koskinen@nokia.com \ --to=aaro.koskinen@nokia.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ /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.