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| author | Kumar Gala <galak@kernel.crashing.org> | 2011-05-19 00:36:21 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-05-19 00:36:21 -0500 |
| commit | 134c428e5a31f2d5ed3a70ba20dac83895ec8b82 (patch) | |
| tree | 0fb28accbf09171b8a1ca792361f4160434529e8 /arch/arm/mm | |
| parent | a0496d450ab8c17f6c4d86979b1f6ba486fe9365 (diff) | |
| parent | c560bbceaf6b06e52f1ef20131b76a3fdc0a2c19 (diff) | |
| download | linux-next-134c428e5a31f2d5ed3a70ba20dac83895ec8b82.tar.gz | |
Merge remote branch 'benh/merge' into benh-next
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/init.c | 16 | ||||
| -rw-r--r-- | arch/arm/mm/proc-xscale.S | 2 |
2 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index e5f6fc428348..e591513bb53e 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -392,7 +392,7 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn) * Convert start_pfn/end_pfn to a struct page pointer. */ start_pg = pfn_to_page(start_pfn - 1) + 1; - end_pg = pfn_to_page(end_pfn); + end_pg = pfn_to_page(end_pfn - 1) + 1; /* * Convert to physical addresses, and @@ -426,6 +426,14 @@ static void __init free_unused_memmap(struct meminfo *mi) bank_start = bank_pfn_start(bank); +#ifdef CONFIG_SPARSEMEM + /* + * Take care not to free memmap entries that don't exist + * due to SPARSEMEM sections which aren't present. + */ + bank_start = min(bank_start, + ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#endif /* * If we had a previous bank, and there is a space * between the current bank and the previous, free it. @@ -440,6 +448,12 @@ static void __init free_unused_memmap(struct meminfo *mi) */ prev_bank_end = ALIGN(bank_pfn_end(bank), MAX_ORDER_NR_PAGES); } + +#ifdef CONFIG_SPARSEMEM + if (!IS_ALIGNED(prev_bank_end, PAGES_PER_SECTION)) + free_memmap(prev_bank_end, + ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#endif } static void __init free_highpages(void) diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index ce233bcbf506..42af97664c9d 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -395,7 +395,7 @@ ENTRY(xscale_dma_a0_map_area) teq r2, #DMA_TO_DEVICE beq xscale_dma_clean_range b xscale_dma_flush_range -ENDPROC(xscsale_dma_a0_map_area) +ENDPROC(xscale_dma_a0_map_area) /* * dma_unmap_area(start, size, dir) |