From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Subject: [PATCH v3 09/13] parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup Date: Mon, 4 Nov 2019 08:56:23 +0200 Message-ID: <1572850587-20314-10-git-send-email-rppt@kernel.org> References: <1572850587-20314-1-git-send-email-rppt@kernel.org> Return-path: In-Reply-To: <1572850587-20314-1-git-send-email-rppt@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-mm@kvack.org Cc: Andrew Morton , Anton Ivanov , Arnd Bergmann , "David S. Miller" , Geert Uytterhoeven , Greentime Hu , Greg Ungerer , Helge Deller , "James E.J. Bottomley" , Jeff Dike , "Kirill A. Shutemov" , Linus Torvalds , Mark Salter , Matt Turner , Michal Simek , Peter Rosin , Richard Weinberger , Rolf Eike Beer , Russell King , Sam List-Id: linux-arch.vger.kernel.org From: Helge Deller Signed-off-by: Helge Deller Signed-off-by: Mike Rapoport --- arch/parisc/mm/hugetlbpage.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c index d578809..0e1e212 100644 --- a/arch/parisc/mm/hugetlbpage.c +++ b/arch/parisc/mm/hugetlbpage.c @@ -49,6 +49,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pte_t *pte = NULL; @@ -61,7 +62,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, addr &= HPAGE_MASK; pgd = pgd_offset(mm, addr); - pud = pud_alloc(mm, pgd, addr); + p4d = p4d_offset(pgd, addr); + pud = pud_alloc(mm, p4d, addr); if (pud) { pmd = pmd_alloc(mm, pud, addr); if (pmd) @@ -74,6 +76,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pte_t *pte = NULL; @@ -82,11 +85,14 @@ pte_t *huge_pte_offset(struct mm_struct *mm, pgd = pgd_offset(mm, addr); if (!pgd_none(*pgd)) { - pud = pud_offset(pgd, addr); - if (!pud_none(*pud)) { - pmd = pmd_offset(pud, addr); - if (!pmd_none(*pmd)) - pte = pte_offset_map(pmd, addr); + p4d = p4d_offset(pgd, addr); + if (!p4d_none(*p4d)) { + pud = pud_offset(p4d, addr); + if (!pud_none(*pud)) { + pmd = pmd_offset(pud, addr); + if (!pmd_none(*pmd)) + pte = pte_offset_map(pmd, addr); + } } } return pte; -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Mike Rapoport Subject: [PATCH v3 09/13] parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup Date: Mon, 4 Nov 2019 08:56:23 +0200 Message-ID: <1572850587-20314-10-git-send-email-rppt@kernel.org> In-Reply-To: <1572850587-20314-1-git-send-email-rppt@kernel.org> References: <1572850587-20314-1-git-send-email-rppt@kernel.org> To: linux-mm@kvack.org Cc: Andrew Morton , Anton Ivanov , Arnd Bergmann , "David S. Miller" , Geert Uytterhoeven , Greentime Hu , Greg Ungerer , Helge Deller , "James E.J. Bottomley" , Jeff Dike , "Kirill A. Shutemov" , Linus Torvalds , Mark Salter , Matt Turner , Michal Simek , Peter Rosin , Richard Weinberger , Rolf Eike Beer , Russell King , Sam Creasey , Vincent Chen , Vineet Gupta , Mike Rapoport , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, sparclinux@vger.kernel.org, Mike Rapoport List-ID: Message-ID: <20191104065623.cc3EosgMRdD5NufXHFGLyMPZvC5fNUzya1c6A6orbLk@z> From: Helge Deller Signed-off-by: Helge Deller Signed-off-by: Mike Rapoport --- arch/parisc/mm/hugetlbpage.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c index d578809..0e1e212 100644 --- a/arch/parisc/mm/hugetlbpage.c +++ b/arch/parisc/mm/hugetlbpage.c @@ -49,6 +49,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pte_t *pte = NULL; @@ -61,7 +62,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, addr &= HPAGE_MASK; pgd = pgd_offset(mm, addr); - pud = pud_alloc(mm, pgd, addr); + p4d = p4d_offset(pgd, addr); + pud = pud_alloc(mm, p4d, addr); if (pud) { pmd = pmd_alloc(mm, pud, addr); if (pmd) @@ -74,6 +76,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz) { pgd_t *pgd; + p4d_t *p4d; pud_t *pud; pmd_t *pmd; pte_t *pte = NULL; @@ -82,11 +85,14 @@ pte_t *huge_pte_offset(struct mm_struct *mm, pgd = pgd_offset(mm, addr); if (!pgd_none(*pgd)) { - pud = pud_offset(pgd, addr); - if (!pud_none(*pud)) { - pmd = pmd_offset(pud, addr); - if (!pmd_none(*pmd)) - pte = pte_offset_map(pmd, addr); + p4d = p4d_offset(pgd, addr); + if (!p4d_none(*p4d)) { + pud = pud_offset(p4d, addr); + if (!pud_none(*pud)) { + pmd = pmd_offset(pud, addr); + if (!pmd_none(*pmd)) + pte = pte_offset_map(pmd, addr); + } } } return pte; -- 2.7.4