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| author | Helge Deller <deller@gmx.de> | 2019-12-05 01:54:16 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-05 04:44:15 +0100 |
| commit | 2fa245c1f8c9f68e26174fade45ccae5b060751d (patch) | |
| tree | 0c2219159c74928041daca41f440ff64200b3738 /arch/parisc/mm | |
| parent | parisc: use pgtable-nopXd instead of 4level-fixup (diff) | |
| download | linux-2fa245c1f8c9f68e26174fade45ccae5b060751d.tar.xz linux-2fa245c1f8c9f68e26174fade45ccae5b060751d.zip | |
parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup
Link: http://lkml.kernel.org/r/1572938135-31886-10-git-send-email-rppt@kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc/mm')
| -rw-r--r-- | arch/parisc/mm/hugetlbpage.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c index d578809e55cf..0e1e212f1c96 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; |