Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [Suspend2][ 17/20] [Suspend2] Calculate the amount of free memory needed. | Date | Tue, 27 Jun 2006 08:35:45 +1000 |
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Calculate the minimum amount of free ram before we will consider ourselves to have enough to cover all expected needs. We can have the VM freeing memory for us - that would create an inconsistent image.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/prepare_image.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/kernel/power/prepare_image.c b/kernel/power/prepare_image.c index 604089f..054d0d4 100644 --- a/kernel/power/prepare_image.c +++ b/kernel/power/prepare_image.c @@ -520,3 +520,11 @@ long storage_needed(int use_ecr, int ign + header_storage_needed()); } +long ram_to_suspend(void) +{ + return (1 + + max_t(long, (pagedir1.pageset_size + extra_pd1_pages_allowance - + pageset2_sizelow - extra_pagedir_pages_allocated) / 2, 0) + + MIN_FREE_RAM + suspend_memory_for_modules()); +} + -- Nigel Cunningham nigel at suspend2 dot net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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