According to my understanding what ever your thinking is write, __get_free_pages allocates pages up to the order of 11 (MAX_ORDER) it is configuarable at the time of kernel configuration.
Please Correct me if there are corrections.
Thanks,
Venkata jagadeesh.p
On 4/13/07, Nori, Sekhar <
nsekhar@xxxxxx> wrote:
Hi All,
Does __get_free_pages guarantee that the memory allocated by it is
aligned to the size it is allocating? That is, if I allocate a 512KB
chunk (using __get_free_pages(GFP_KERNEL, 7), will the memory address
returned to me be 512KB aligned?
__get_free_pages does seem to work this way based on some experiments I
did, but I wanted to confirm this is indeed *always* the case.
Alan Cox does seem to suggest this is true here:
http://lkml.org/lkml/1999/4/23/88, but he seems to suggest this is true
only up to 128K. That was a long time back, however.
Thanks,
Sekhar Nori.
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