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| author | David S. Miller <davem@davemloft.net> | 2006-03-22 09:49:59 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-22 10:15:14 +0100 |
| commit | dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2 (patch) | |
| tree | a47592213d94f918867d3dd81bb91dac3e727dea /arch/sparc64/mm/fault.c | |
| parent | [SPARC]: Respect vm_page_prot in io_remap_page_range(). (diff) | |
| download | linux-dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2.tar.xz linux-dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2.zip | |
[SPARC64]: Add a secondary TSB for hugepage mappings.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/mm/fault.c')
| -rw-r--r-- | arch/sparc64/mm/fault.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index 63b6cc0cd5d5..d21ff3230c02 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -410,9 +410,18 @@ good_area: up_read(&mm->mmap_sem); mm_rss = get_mm_rss(mm); - if (unlikely(mm_rss >= mm->context.tsb_rss_limit)) - tsb_grow(mm, mm_rss); - +#ifdef CONFIG_HUGETLB_PAGE + mm_rss -= (mm->context.huge_pte_count * (HPAGE_SIZE / PAGE_SIZE)); +#endif + if (unlikely(mm_rss >= + mm->context.tsb_block[MM_TSB_BASE].tsb_rss_limit)) + tsb_grow(mm, MM_TSB_BASE, mm_rss); +#ifdef CONFIG_HUGETLB_PAGE + mm_rss = mm->context.huge_pte_count; + if (unlikely(mm_rss >= + mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit)) + tsb_grow(mm, MM_TSB_HUGE, mm_rss); +#endif return; /* |