On Wed, 7 Aug 2019 15:42:04 +0530 Gagandeep Singh <g.si...@nxp.com> wrote:
> DPDK currently is supporting maximum 3 hugepage, > sizes whereas system can support more than this e.g. > 64K, 2M, 32M and 1G. > > Having these four hugepage sizes available to use by DPDK, > which is valid in case of '--in-memory' EAL option or > using 4 separate mount points for each hugepage size; > hugepage_info_init() API reports an error. > > This change increases the maximum supported mount points > to 4. > > Signed-off-by: Gagandeep Singh <g.si...@nxp.com> > Signed-off-by: Nipun Gupta <nipun.gu...@nxp.com> > --- > > On ARM platform when the translation granule is 4KB, > there are 4 hugepage sizes supported. > On kernel 5.2, we can see below directories in > /sys/kernel/mm/hugepages: > > hugepages-1048576kB > hugepages-2048kB > hugepages-32768kB > hugepages-64kB > > lib/librte_eal/common/eal_internal_cfg.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/lib/librte_eal/common/eal_internal_cfg.h > b/lib/librte_eal/common/eal_internal_cfg.h > index edff09d07..abb7ec913 100644 > --- a/lib/librte_eal/common/eal_internal_cfg.h > +++ b/lib/librte_eal/common/eal_internal_cfg.h > @@ -15,7 +15,7 @@ > > #include "eal_thread.h" > > -#define MAX_HUGEPAGE_SIZES 3 /**< support up to 3 page sizes */ > +#define MAX_HUGEPAGE_SIZES 4 /**< support up to 4 page sizes */ At least this is hidden in internal config.
