From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/vmstat: correct some wrong comments Patch series "Cleanup for vmstat". This series contains cleanups to remove unneeded return value, correct wrong comment and simplify the array size calculation. More details can be found in the respective changelogs. This patch (of 3): Correct wrong fls(mem+1) to fls(mem)+1 and remove the duplicated comment with quiet_vmstat(). Link: https://lkml.kernel.org/r/20210715122911.15700-1-linmiaohe@xxxxxxxxxx Link: https://lkml.kernel.org/r/20210715122911.15700-2-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/vmstat.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) --- a/mm/vmstat.c~mm-vmstat-correct-some-wrong-comments +++ a/mm/vmstat.c @@ -204,7 +204,7 @@ int calculate_normal_threshold(struct zo * * Some sample thresholds: * - * Threshold Processors (fls) Zonesize fls(mem+1) + * Threshold Processors (fls) Zonesize fls(mem)+1 * ------------------------------------------------------------------ * 8 1 1 0.9-1 GB 4 * 16 2 2 0.9-1 GB 4 @@ -1876,11 +1876,6 @@ static void vmstat_update(struct work_st } /* - * Switch off vmstat processing and then fold all the remaining differentials - * until the diffs stay at zero. The function is used by NOHZ and can only be - * invoked when tick processing is not active. - */ -/* * Check if the diffs for a certain cpu indicate that * an update is needed. */ _
