Re: [PATCH 4/6] libpager: Store pagemapsize as vm_size_t

[Samuel Thibault]

Sergey Bugaev, le jeu. 06 mai 2021 15:56:29 +0300, a ecrit:
> On a 64-bit system, there can be a lot more pages
> than a 32-bit int can fit.

Indeed, applied, thanks!

> ---
>  libpager/pagemap.c | 2 +-
>  libpager/priv.h    | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libpager/pagemap.c b/libpager/pagemap.c
> index 963f6567..63c5f44d 100644
> --- a/libpager/pagemap.c
> +++ b/libpager/pagemap.c
> @@ -29,7 +29,7 @@ _pager_pagemap_resize (struct pager *p, vm_address_t off)
>    if (p->pagemapsize < off)
>      {
>        void *newaddr;
> -      int newsize = round_page (off);
> +      vm_size_t newsize = round_page (off);
>  
>        newaddr = mmap (0, newsize * sizeof (*p->pagemap), 
>                     PROT_READ|PROT_WRITE, MAP_ANON, 0, 0);
> diff --git a/libpager/priv.h b/libpager/priv.h
> index c0a99fe3..d9d76965 100644
> --- a/libpager/priv.h
> +++ b/libpager/priv.h
> @@ -66,7 +66,7 @@ struct pager
>  #endif
>  
>    short *pagemap;
> -  int pagemapsize;           /* number of elements in PAGEMAP */
> +  vm_size_t pagemapsize;     /* number of elements in PAGEMAP */
>  };
>  
>  struct lock_request
> -- 
> 2.31.1
> 
>