mm-prepare-page_referenced-and-page_idle-to-new-thp-refcounting-checkpatch-fixes

ERROR: code indent should use tabs where possible
torvalds#171: FILE: mm/page_idle.c:75:
+                if (!pmd_present(*pmd))$

WARNING: please, no spaces at the start of a line
torvalds#171: FILE: mm/page_idle.c:75:
+                if (!pmd_present(*pmd))$

WARNING: Missing a blank line after declarations
torvalds#194: FILE: mm/page_idle.c:93:
+		pmd_t pmde = *pmd;
+		barrier();

WARNING: Missing a blank line after declarations
torvalds#304: FILE: mm/rmap.c:867:
+		pmd_t pmde = *pmd;
+		barrier();

total: 1 errors, 3 warnings, 327 lines checked

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

./patches/mm-prepare-page_referenced-and-page_idle-to-new-thp-refcounting.patch has style problems, please review.

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.

Please run checkpatch prior to sending patches

Cc: "Kirill A. Shutemov" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: akpm00

mm/page_idle.c

@@ -72,7 +72,7 @@ static int page_idle_clear_pte_refs_one(struct page *page,
 
 	if (pmd_trans_huge(*pmd)) {
 		ptl = pmd_lock(mm, pmd);
-                if (!pmd_present(*pmd))
+		if (!pmd_present(*pmd))
 			goto unlock_pmd;
 		if (unlikely(!pmd_trans_huge(*pmd))) {
 			spin_unlock(ptl);
@@ -90,6 +90,7 @@ static int page_idle_clear_pte_refs_one(struct page *page,
 		return SWAP_AGAIN;
 	} else {
 		pmd_t pmde = *pmd;
+
 		barrier();
 		if (!pmd_present(pmde) || pmd_trans_huge(pmde))
 			return SWAP_AGAIN;

mm/rmap.c

@@ -864,6 +864,7 @@ static int page_referenced_one(struct page *page, struct vm_area_struct *vma,
 		return ret;
 	} else {
 		pmd_t pmde = *pmd;
+
 		barrier();
 		if (!pmd_present(pmde) || pmd_trans_huge(pmde))
 			return SWAP_AGAIN;