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* Use vm_page_write_modified_page_range() instead of

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vm_page_schedule_write_page_range() to prevent more memory pressure.
* While it seems to help a bit, it doesn't solve the problem of bug #5777.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36519 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2010-04-28 18:09:09 +00:00
parent 99d65cbc81
commit 4fe399e426
1 changed files with 4 additions and 2 deletions
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src/system/kernel/cache/file_cache.cpp
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+4 -2
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@@ -293,13 +293,15 @@ reserve_pages(file_cache_ref* ref, vm_page_reservation* reservation,
// we are not mapped, and we're accessed sequentially
if (isWrite) {
// just schedule some pages to be written back
// Just write some pages back, and actually wait until they
// have been written back in order to relieve the page pressure
// a bit.
int32 index = ref->last_access_index;
int32 previous = index - 1;
if (previous < 0)
previous = LAST_ACCESSES - 1;
vm_page_schedule_write_page_range(cache,
vm_page_write_modified_page_range(cache,
ref->LastAccessPageOffset(previous, true),
ref->LastAccessPageOffset(index, true));
} else {