x86/platform/uv: When searching for minimums, start at INT_MAX not 99999

Using a starting value of INT_MAX rather than 999999 or 99999 means
this algorithm won't fail should the numbers being compared ever
exceed this value.

Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20230519190752.3297140-5-steve.wahl%40hpe.com

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 6d2739eadb710cb1875ec39d07707a8c37a7f8af..2da84befabf031bfe242cfc31c5ed6e172932f45 100644 (file)
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -1349,7 +1349,7 @@ static void __init decode_gam_rng_tbl(unsigned long ptr)
        struct uv_gam_range_entry *gre = (struct uv_gam_range_entry *)ptr;
        unsigned long lgre = 0, gend = 0;
        int index = 0;
-       int sock_min = 999999, pnode_min = 99999;
+       int sock_min = INT_MAX, pnode_min = INT_MAX;
        int sock_max = -1, pnode_max = -1;
 
        uv_gre_table = gre;
@@ -1694,7 +1694,7 @@ static void __init uv_system_init_hub(void)
 {
        struct uv_hub_info_s hub_info = {0};
        int bytes, cpu, nodeid;
-       unsigned short min_pnode = 9999, max_pnode = 0;
+       unsigned short min_pnode = USHRT_MAX, max_pnode = 0;
        char *hub = is_uv5_hub() ? "UV500" :
                    is_uv4_hub() ? "UV400" :
                    is_uv3_hub() ? "UV300" :