diff options
| author | Mike Rapoport <[email protected]> | 2020-06-04 16:46:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-06-04 19:06:21 -0700 |
| commit | b187fb7fca9cc420d111b2e058b69fae5eea18bc (patch) | |
| tree | a4660a9abb13621b640406700acf302103316a06 /arch/openrisc/mm/init.c | |
| parent | 9f4e70379f609d3bcc9d67eafecda75a495ffb4b (diff) | |
openrisc: add support for folded p4d page tables
Implement primitives necessary for the 4th level folding, add walks of p4d
level where appropriate and remove usage of __ARCH_USE_5LEVEL_HACK.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Brian Cain <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Guan Xuetao <[email protected]>
Cc: James Morse <[email protected]>
Cc: Jonas Bonn <[email protected]>
Cc: Julien Thierry <[email protected]>
Cc: Ley Foon Tan <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Rich Felker <[email protected]>
Cc: Russell King <[email protected]>
Cc: Stafford Horne <[email protected]>
Cc: Stefan Kristiansson <[email protected]>
Cc: Suzuki K Poulose <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'arch/openrisc/mm/init.c')
| -rw-r--r-- | arch/openrisc/mm/init.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c index f94fe6d3f499..3bcdc1c26b23 100644 --- a/arch/openrisc/mm/init.c +++ b/arch/openrisc/mm/init.c @@ -68,6 +68,7 @@ static void __init map_ram(void) unsigned long v, p, e; pgprot_t prot; pgd_t *pge; + p4d_t *p4e; pud_t *pue; pmd_t *pme; pte_t *pte; @@ -87,7 +88,8 @@ static void __init map_ram(void) while (p < e) { int j; - pue = pud_offset(pge, v); + p4e = p4d_offset(pge, v); + pue = pud_offset(p4e, v); pme = pmd_offset(pue, v); if ((u32) pue != (u32) pge || (u32) pme != (u32) pge) { |