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From: Nicholas Piggin <npiggin@gmail.com>
To: linux-mm@kvack.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
	linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Zefan Li <lizefan@huawei.com>
Subject: [PATCH v3 3/8] mm/vmalloc: rename vmap_*_range vmap_pages_*_range
Date: Mon, 10 Aug 2020 12:27:27 +1000	[thread overview]
Message-ID: <20200810022732.1150009-4-npiggin@gmail.com> (raw)
In-Reply-To: <20200810022732.1150009-1-npiggin@gmail.com>

The vmalloc mapper operates on a struct page * array rather than a
linear physical address, re-name it to make this distinction clear.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 mm/vmalloc.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 49f225b0f855..3a1e45fd1626 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -190,9 +190,8 @@ void unmap_kernel_range_noflush(unsigned long start, unsigned long size)
 		arch_sync_kernel_mappings(start, end);
 }
 
-static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pte_t *pte;
 
@@ -218,9 +217,8 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
 	return 0;
 }
 
-static int vmap_pmd_range(pud_t *pud, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -230,15 +228,14 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pmd_addr_end(addr, end);
-		if (vmap_pte_range(pmd, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pte_range(pmd, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (pmd++, addr = next, addr != end);
 	return 0;
 }
 
-static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -248,15 +245,14 @@ static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pud_addr_end(addr, end);
-		if (vmap_pmd_range(pud, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pmd_range(pud, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (pud++, addr = next, addr != end);
 	return 0;
 }
 
-static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	p4d_t *p4d;
 	unsigned long next;
@@ -266,7 +262,7 @@ static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = p4d_addr_end(addr, end);
-		if (vmap_pud_range(p4d, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pud_range(p4d, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (p4d++, addr = next, addr != end);
 	return 0;
@@ -307,7 +303,7 @@ int map_kernel_range_noflush(unsigned long addr, unsigned long size,
 		next = pgd_addr_end(addr, end);
 		if (pgd_bad(*pgd))
 			mask |= PGTBL_PGD_MODIFIED;
-		err = vmap_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
+		err = vmap_pages_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
 		if (err)
 			return err;
 	} while (pgd++, addr = next, addr != end);
-- 
2.23.0


WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: linux-mm@kvack.org
Cc: linux-arch@vger.kernel.org, Zefan Li <lizefan@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	x86@kernel.org, linuxppc-dev@lists.ozlabs.org,
	Nicholas Piggin <npiggin@gmail.com>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/8] mm/vmalloc: rename vmap_*_range vmap_pages_*_range
Date: Mon, 10 Aug 2020 12:27:27 +1000	[thread overview]
Message-ID: <20200810022732.1150009-4-npiggin@gmail.com> (raw)
In-Reply-To: <20200810022732.1150009-1-npiggin@gmail.com>

The vmalloc mapper operates on a struct page * array rather than a
linear physical address, re-name it to make this distinction clear.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 mm/vmalloc.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 49f225b0f855..3a1e45fd1626 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -190,9 +190,8 @@ void unmap_kernel_range_noflush(unsigned long start, unsigned long size)
 		arch_sync_kernel_mappings(start, end);
 }
 
-static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pte_t *pte;
 
@@ -218,9 +217,8 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
 	return 0;
 }
 
-static int vmap_pmd_range(pud_t *pud, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -230,15 +228,14 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pmd_addr_end(addr, end);
-		if (vmap_pte_range(pmd, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pte_range(pmd, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (pmd++, addr = next, addr != end);
 	return 0;
 }
 
-static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -248,15 +245,14 @@ static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pud_addr_end(addr, end);
-		if (vmap_pmd_range(pud, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pmd_range(pud, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (pud++, addr = next, addr != end);
 	return 0;
 }
 
-static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	p4d_t *p4d;
 	unsigned long next;
@@ -266,7 +262,7 @@ static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = p4d_addr_end(addr, end);
-		if (vmap_pud_range(p4d, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pud_range(p4d, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (p4d++, addr = next, addr != end);
 	return 0;
@@ -307,7 +303,7 @@ int map_kernel_range_noflush(unsigned long addr, unsigned long size,
 		next = pgd_addr_end(addr, end);
 		if (pgd_bad(*pgd))
 			mask |= PGTBL_PGD_MODIFIED;
-		err = vmap_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
+		err = vmap_pages_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
 		if (err)
 			return err;
 	} while (pgd++, addr = next, addr != end);
-- 
2.23.0


WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com>
To: linux-mm@kvack.org
Cc: linux-arch@vger.kernel.org, Zefan Li <lizefan@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	x86@kernel.org, linuxppc-dev@lists.ozlabs.org,
	Nicholas Piggin <npiggin@gmail.com>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/8] mm/vmalloc: rename vmap_*_range vmap_pages_*_range
Date: Mon, 10 Aug 2020 12:27:27 +1000	[thread overview]
Message-ID: <20200810022732.1150009-4-npiggin@gmail.com> (raw)
In-Reply-To: <20200810022732.1150009-1-npiggin@gmail.com>

The vmalloc mapper operates on a struct page * array rather than a
linear physical address, re-name it to make this distinction clear.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 mm/vmalloc.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 49f225b0f855..3a1e45fd1626 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -190,9 +190,8 @@ void unmap_kernel_range_noflush(unsigned long start, unsigned long size)
 		arch_sync_kernel_mappings(start, end);
 }
 
-static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pte_t *pte;
 
@@ -218,9 +217,8 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
 	return 0;
 }
 
-static int vmap_pmd_range(pud_t *pud, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -230,15 +228,14 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pmd_addr_end(addr, end);
-		if (vmap_pte_range(pmd, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pte_range(pmd, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (pmd++, addr = next, addr != end);
 	return 0;
 }
 
-static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -248,15 +245,14 @@ static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pud_addr_end(addr, end);
-		if (vmap_pmd_range(pud, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pmd_range(pud, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (pud++, addr = next, addr != end);
 	return 0;
 }
 
-static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
-		unsigned long end, pgprot_t prot, struct page **pages, int *nr,
-		pgtbl_mod_mask *mask)
+static int vmap_pages_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+		pgprot_t prot, struct page **pages, int *nr, pgtbl_mod_mask *mask)
 {
 	p4d_t *p4d;
 	unsigned long next;
@@ -266,7 +262,7 @@ static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = p4d_addr_end(addr, end);
-		if (vmap_pud_range(p4d, addr, next, prot, pages, nr, mask))
+		if (vmap_pages_pud_range(p4d, addr, next, prot, pages, nr, mask))
 			return -ENOMEM;
 	} while (p4d++, addr = next, addr != end);
 	return 0;
@@ -307,7 +303,7 @@ int map_kernel_range_noflush(unsigned long addr, unsigned long size,
 		next = pgd_addr_end(addr, end);
 		if (pgd_bad(*pgd))
 			mask |= PGTBL_PGD_MODIFIED;
-		err = vmap_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
+		err = vmap_pages_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
 		if (err)
 			return err;
 	} while (pgd++, addr = next, addr != end);
-- 
2.23.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-08-10  2:28 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-10  2:27 [PATCH v3 0/8] huge vmalloc mappings Nicholas Piggin
2020-08-10  2:27 ` Nicholas Piggin
2020-08-10  2:27 ` Nicholas Piggin
2020-08-10  2:27 ` [PATCH v3 1/8] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27 ` [PATCH v3 2/8] mm: apply_to_pte_range warn and fail if a large pte is encountered Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27 ` Nicholas Piggin [this message]
2020-08-10  2:27   ` [PATCH v3 3/8] mm/vmalloc: rename vmap_*_range vmap_pages_*_range Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27 ` [PATCH v3 4/8] lib/ioremap: rename ioremap_*_range to vmap_*_range Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27 ` [PATCH v3 5/8] mm: HUGE_VMAP arch support cleanup Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  3:58   ` kernel test robot
2020-08-10  3:58     ` kernel test robot
2020-08-10  3:58     ` kernel test robot
2020-08-10  3:58     ` kernel test robot
2020-08-10  3:58     ` kernel test robot
2020-08-10  2:27 ` [PATCH v3 6/8] mm: Move vmap_range from lib/ioremap.c to mm/vmalloc.c Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27 ` [PATCH v3 7/8] mm/vmalloc: add vmap_range_noflush variant Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27 ` [PATCH v3 8/8] mm/vmalloc: Hugepage vmalloc mappings Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-10  2:27   ` Nicholas Piggin
2020-08-12 12:25   ` Jonathan Cameron
2020-08-12 12:25     ` Jonathan Cameron
2020-08-12 12:25     ` Jonathan Cameron
2020-08-12 16:18     ` Jonathan Cameron
2020-08-12 16:18       ` Jonathan Cameron
2020-08-12 16:18       ` Jonathan Cameron
2020-08-11 16:32 ` [PATCH v3 0/8] huge " Jonathan Cameron
2020-08-11 16:32   ` Jonathan Cameron
2020-08-11 16:32   ` Jonathan Cameron
2020-08-11 16:32   ` Jonathan Cameron
2020-08-12  1:07   ` Zefan Li
2020-08-12  1:07     ` Zefan Li
2020-08-12  1:07     ` Zefan Li
2020-08-12  1:07     ` Zefan Li
2020-08-12  8:11     ` Nicholas Piggin
2020-08-12  8:11       ` Nicholas Piggin
2020-08-12  8:11       ` Nicholas Piggin

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