ARM: ZERO_PAGE: Avoid flush_dcache_page() for zero page

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The zero page is read-only, and has its cache state cleared during
boot.  No further maintanence for this page is required.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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This commit is contained in:

Russell King 2009-10-25 10:23:04 +00:00

parent b7dc0b2cfc

commit 421fe93cc4

3 changed files with 18 additions and 2 deletions

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7

arch/arm/mm/fault-armv.c

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11

arch/arm/mm/flush.c

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2

arch/arm/mm/mmu.c

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