[PATCH] ARM: mm: Align bank start to MAX_ORDER_NR_PAGES
From: Johan Palsson <hidden>
Date: 2011-09-28 08:32:28
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
The VM subsystem assumes that there are valid memmap entries from the bank start aligned to MAX_ORDER_NR_PAGES. Cc: stable at kernel.org Cc: Russell King <redacted> Cc: Michael Bohan <redacted> Cc: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Johan Palsson <redacted> Signed-off-by: Rabin Vincent <redacted> Signed-off-by: Linus Walleij <redacted> --- arch/arm/mm/init.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index cc7e2d8..f8037ba 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c@@ -496,6 +496,13 @@ static void __init free_unused_memmap(struct meminfo *mi) */ bank_start = min(bank_start, ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#else + /* + * Align down here since the VM subsystem insists that the + * memmap entries are valid from the bank start aligned to + * MAX_ORDER_NR_PAGES. + */ + bank_start = round_down(bank_start, MAX_ORDER_NR_PAGES); #endif /* * If we had a previous bank, and there is a space
--
1.7.3.2