From: Yanfei Xu <yanfei.xu@xxxxxxxxxxxxx> Subject: mm/page_alloc.c: __perform_reclaim should return 'unsigned long' __perform_reclaim()'s single caller expects it to return 'unsigned long', hence change its return value and a local variable to 'unsigned long'. Link: https://lkml.kernel.org/r/20200916022138.16740-1-yanfei.xu@xxxxxxxxxxxxx Signed-off-by: Yanfei Xu <yanfei.xu@xxxxxxxxxxxxx> Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/mm/page_alloc.c~mm-page_allocc-__perform_reclaim-should-return-unsigned-long +++ a/mm/page_alloc.c @@ -4253,13 +4253,12 @@ EXPORT_SYMBOL_GPL(fs_reclaim_release); #endif /* Perform direct synchronous page reclaim */ -static int +static unsigned long __perform_reclaim(gfp_t gfp_mask, unsigned int order, const struct alloc_context *ac) { - int progress; unsigned int noreclaim_flag; - unsigned long pflags; + unsigned long pflags, progress; cond_resched(); _
