On 03/08/2021 16:09, Joe Perches wrote: > On Tue, 2021-08-03 at 15:49 +0100, Colin King wrote: >> Don't populate arrays the stack but instead make them static const. Replace >> array channel_info with channel_all since it contains the same data as >> channel_all. Makes object code smaller by 961 bytes. > [] >> diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c > [] >> @@ -160,6 +160,15 @@ static u32 targetchnl_2g[TARGET_CHNL_NUM_2G] = { >> 25711, 25658, 25606, 25554, 25502, 25451, 25328 >> }; >> >> +static const u8 channel_all[59] = { > > I don't believe there is a significant value in sizing the array > as 59 instead of letting the compiler count the elements. I was reluctant to remove this as I supposed the original had it in for a purpose, e.g. to ensure that the array was not populated with more data than intended. Does it make much of a difference? > >> + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, >> + 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, >> + 60, 62, 64, 100, 102, 104, 106, 108, 110, 112, >> + 114, 116, 118, 120, 122, 124, 126, 128, 130, >> + 132, 134, 136, 138, 140, 149, 151, 153, 155, >> + 157, 159, 161, 163, 165 >> +}; > >