+ mm-page_allocc-__perform_reclaim-should-return-unsigned-long.patch added to -mm tree

+ mm-page_allocc-__perform_reclaim-should-return-unsigned-long.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm/page_alloc.c: __perform_reclaim should return 'unsigned long'
has been added to the -mm tree.  Its filename is
     mm-page_allocc-__perform_reclaim-should-return-unsigned-long.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-page_allocc-__perform_reclaim-should-return-unsigned-long.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_allocc-__perform_reclaim-should-return-unsigned-long.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Yanfei Xu <yanfei.xu@windriver.com>
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@windriver.com
Signed-off-by: Yanfei Xu <yanfei.xu@windriver.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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
@@ -4239,13 +4239,12 @@ 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();
 
_

Patches currently in -mm which might be from yanfei.xu@windriver.com are

mm-memory-fix-typo-in-__do_fault-comment.patch
mm-memoryc-replace-vmf-vma-with-variable-vma.patch
mm-page_allocc-__perform_reclaim-should-return-unsigned-long.patch