The patch titled
Consolidate new anonymous page code paths
has been removed from the -mm tree. Its filename was
consolidate-new-anonymous-page-code-paths.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
Subject: Consolidate new anonymous page code paths
From: Christoph Lameter <[EMAIL PROTECTED]>
Consolidate code to add an anonymous page in memory.c
There are two location in which we add anonymous pages. Both implement the
same logic. Create a new function add_anon_page() to have a common code path.
Signed-off-by: Christoph Lameter <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
mm/memory.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)
diff -puN mm/memory.c~consolidate-new-anonymous-page-code-paths mm/memory.c
--- a/mm/memory.c~consolidate-new-anonymous-page-code-paths
+++ a/mm/memory.c
@@ -900,6 +900,17 @@ unsigned long zap_page_range(struct vm_a
}
/*
+ * Add a new anonymous page
+ */
+static void add_anon_page(struct vm_area_struct *vma, struct page *page,
+ unsigned long address)
+{
+ inc_mm_counter(vma->vm_mm, anon_rss);
+ lru_cache_add_active(page);
+ page_add_new_anon_rmap(page, vma, address);
+}
+
+/*
* Do a quick page-table lookup for a single page.
*/
struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
@@ -2148,9 +2159,7 @@ static int do_anonymous_page(struct mm_s
page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
if (!pte_none(*page_table))
goto release;
- inc_mm_counter(mm, anon_rss);
- lru_cache_add_active(page);
- page_add_new_anon_rmap(page, vma, address);
+ add_anon_page(vma, page, address);
} else {
/* Map the ZERO_PAGE - vm_page_prot is readonly */
page = ZERO_PAGE(address);
@@ -2294,11 +2303,9 @@ retry:
if (write_access)
entry = maybe_mkwrite(pte_mkdirty(entry), vma);
set_pte_at(mm, address, page_table, entry);
- if (anon) {
- inc_mm_counter(mm, anon_rss);
- lru_cache_add_active(new_page);
- page_add_new_anon_rmap(new_page, vma, address);
- } else {
+ if (anon)
+ add_anon_page(vma, new_page, address);
+ else {
inc_mm_counter(mm, file_rss);
page_add_file_rmap(new_page);
if (write_access) {
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
origin.patch
slab-introduce-krealloc.patch
slab-introduce-krealloc-fix.patch
safer-nr_node_ids-and-nr_node_ids-determination-and-initial.patch
use-zvc-counters-to-establish-exact-size-of-dirtyable-pages.patch
make-try_to_unmap-return-a-special-exit-code.patch
slab-ensure-cache_alloc_refill-terminates.patch
consolidate-new-anonymous-page-code-paths.patch
avoid-putting-new-mlocked-anonymous-pages-on-lru.patch
opportunistically-move-mlocked-pages-off-the-lru.patch
take-anonymous-pages-off-the-lru-if-we-have-no-swap.patch
smaps-extract-pmd-walker-from-smaps-code.patch
smaps-add-pages-referenced-count-to-smaps.patch
smaps-add-clear_refs-file-to-clear-reference.patch
smaps-add-clear_refs-file-to-clear-reference-fix.patch
smaps-add-clear_refs-file-to-clear-reference-fix-fix.patch
slab-shutdown-cache_reaper-when-cpu-goes-down.patch
mm-implement-swap-prefetching-vs-zvc-stuff.patch
mm-implement-swap-prefetching-vs-zvc-stuff-2.patch
zvc-support-nr_slab_reclaimable--nr_slab_unreclaimable-swap_prefetch.patch
reduce-max_nr_zones-swap_prefetch-remove-incorrect-use-of-zone_highmem.patch
numa-add-zone_to_nid-function-swap_prefetch.patch
remove-uses-of-kmem_cache_t-from-mm-and-include-linux-slabh-prefetch.patch
readahead-state-based-method-aging-accounting.patch
readahead-state-based-method-aging-accounting-vs-zvc-changes.patch
-
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