964220d080
Some drivers can maintain its own pool of shmem pages that can reduce the latencies in allocation of them by avoiding in getting a page from buddy. To support this, add a vendor hook which first tries to get the page from the driver maintained shmem pool when shmem_alloc_page is called. If failed, it will simply fall back to the original path. Bug: 187798288 Change-Id: I5deaf995b2e2ac40c2192096435954ee3f4a4fa8 Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
18 lines
541 B
C
18 lines
541 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM shmem_fs
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH trace/hooks
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#if !defined(_TRACE_HOOK_SHMEM_FS_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HOOK_SHMEM_FS_H
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#include <linux/tracepoint.h>
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#include <trace/hooks/vendor_hooks.h>
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struct page;
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DECLARE_HOOK(android_vh_shmem_alloc_page,
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TP_PROTO(struct page **page),
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TP_ARGS(page));
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#endif /* _TRACE_HOOK_SHMEM_FS_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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