Re: [PATCH v2 08/18] x86/sgx: Allow reclaiming up to 32 pages, but scan 16 by default

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On Fri, Dec 02, 2022 at 10:36:44AM -0800, Kristen Carlson Accardi wrote:
> From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> 
> Modify sgx_reclaim_pages() to take a parameter that specifies the
> number of pages to scan for reclaiming. Specify a max value of
> 32, but scan 16 in the usual case. This allows the number of pages
> sgx_reclaim_pages() scans to be specified by the caller, and adjusted
> in future patches.
> 
> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> Signed-off-by: Kristen Carlson Accardi <kristen@xxxxxxxxxxxxxxx>
> Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
> ---
>  arch/x86/kernel/cpu/sgx/main.c | 25 +++++++++++++++----------
>  1 file changed, 15 insertions(+), 10 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
> index 83aaf5cea7b9..f201ca85212f 100644
> --- a/arch/x86/kernel/cpu/sgx/main.c
> +++ b/arch/x86/kernel/cpu/sgx/main.c
> @@ -18,6 +18,8 @@
>  #include "encl.h"
>  #include "encls.h"
>  
> +#define SGX_MAX_NR_TO_RECLAIM	32

SGX_NR_TO_SCAN_MAX

BR, Jarkko



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