On 15:24 Tue 20 May , Andy Fleming wrote:
> lmb_free allows us to unreserve some memory so we can use lmb_alloc_base or
> lmb_reserve to temporarily reserve some memory.
>
> Signed-off-by: Andy Fleming <[EMAIL PROTECTED]>
> ---
> lib_generic/lmb.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 49 insertions(+), 0 deletions(-)
>
> diff --git a/lib_generic/lmb.c b/lib_generic/lmb.c
> index 3b8c805..a34e2d3 100644
> --- a/lib_generic/lmb.c
> +++ b/lib_generic/lmb.c
> @@ -180,6 +180,55 @@ long lmb_add(struct lmb *lmb, ulong base, ulong size)
> return lmb_add_region(_rgn, base, size);
> }
>
> +long lmb_free(struct lmb *lmb, u64 base, u64 size)
> +{
> + struct lmb_region *rgn = &(lmb->reserved);
> + u64 rgnbegin, rgnend;
> + u64 end = base + size;
> + int i;
> +
> + rgnbegin = rgnend = 0; /* supress gcc warnings */
> +
> + /* Find the region where (base, size) belongs to */
> + for (i=0; i < rgn->cnt; i++) {
please i = 0
> + rgnbegin = rgn->region[i].base;
> + rgnend = rgnbegin + rgn->region[i].size;
> +
> + if ((rgnbegin <= base) && (end <= rgnend))
> + break;
Best Regards,
J.
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