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(parent: 32cfb1b) | patch
ARM: 5747/1: Fix the start_pg value in free_memmap()
authorCatalin Marinas <catalin.marinas@arm.com>
Tue, 6 Oct 2009 16:57:22 +0000 (17:57 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 7 Oct 2009 12:13:00 +0000 (13:13 +0100)
commit3257f43d9296ed7adcc84e48f6ddf5313cf29266
tree97cfb5a7bcd2d21452a7716c4daa8ea512fc1ab7tree | snapshot
parent32cfb1b16f2b68d2296536811cadfffe26a06c1bcommit | diff
ARM: 5747/1: Fix the start_pg value in free_memmap()

If sparsemem is enabled, the start_pfn passed to the free_memmap()
function corresponds to an area of memory not known to the kernel and
pfn_to_page returns a wrong value. The (start_pfn - 1), however, is
known to the kernel.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mm/init.c diff | blob | history
Domain: SCM / Uncategorized;