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(parent: d8555e8) | patch
ARM: LPAE: Invalidate the TLB before freeing the PMD
authorCatalin Marinas <catalin.marinas@arm.com>
Tue, 22 Nov 2011 17:30:29 +0000 (17:30 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 22 Nov 2011 17:30:29 +0000 (17:30 +0000)
commitc90331a9dd40af43463bcb283fc4733d59d41d12
tree6d28a648a120019bd14dca3fc4cb019b3adf0843tree | snapshot
parentd8555e8c9b2e32bdd5d89b1f3bec0560c28a8feacommit | diff
ARM: LPAE: Invalidate the TLB before freeing the PMD

Similar to the PTE freeing, this patch introduced __pmd_free_tlb() which
invalidates the TLB before freeing a PMD page. This is needed because on
newer processors the entry in the upper page table may be cached by the
TLB and point to random data after the PMD has been freed.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm/include/asm/tlb.h diff | blob | history
Linux kernel for KaRo TX COM modules